trisain

cy-noun

trisain f (plural triseiniaid or triseiniau)

triseiniaid (plural)
triseiniau (plural)
trisain (mutation mutation-radical)
drisain (mutation mutation-soft)
nhrisain (mutation mutation-nasal)
thrisain (mutation mutation-aspirate)


fflipfflop

fflipfflop m (plural fflipfflops, not mutable)

"Dach chi'n cael yr hofrennydd allan a'r achubwyr mynydd allan - gallai rhywun fod mewn gwir anhawster yn rhywle arall, wedi disgyn neu rywbeth, ac mae'r hofrennydd yn mynd i achub rhywun sy'n gwisgo fflip-fflops."

"You get the helicopter out and mountain rescue out – there could be someone in real trouble somewhere else, fallen or something, and the helicopter goes to rescue someone who's wearing flip-flops."


dyddodiad

dyddodiadau (plural)
dyddodiad (mutation mutation-radical)
ddyddodiad (mutation mutation-soft)
nyddodiad (mutation mutation-nasal)

(chemistry, geography, countable) deposition


unsain

unsain f (plural unseinaiaid or unseiniau)

unseinaiaid (plural)
unseiniau (plural)
unsain (mutation mutation-radical)
hunsain (mutation prothesis-h)


cyflaith

cyflaith (mutation mutation-radical)
gyflaith (mutation mutation-soft)
nghyflaith (mutation mutation-nasal)
chyflaith (mutation mutation-aspirate)

toffee (particularly when prepared according to the traditional Welsh method)


cyflaith menyn

cyflaith menyn (mutation mutation-radical)
gyflaith menyn (mutation mutation-soft)
nghyflaith menyn (mutation mutation-nasal)
chyflaith menyn (mutation mutation-aspirate)

/ˌkəvlɛθ ˈmɛnɨ̞n/

From cyflaith (“toffee”) + menyn (“butter”).


Gŵyl Dewi

Gŵyl Dewi (mutation mutation-radical)
Ŵyl Dewi (mutation mutation-soft)
Ngŵyl Dewi (mutation mutation-nasal)

/ˌɡuːɨ̯l ˈdɛu̯.ɪ/

Gŵyl (“festival”) + Dewi (“(of) (Saint) David”)

com

Saint David's Day
Saint David's Day#English


Dydd Gŵyl Dewi

Dydd Gŵyl Dewi (mutation mutation-radical)
Ddydd Gŵyl Dewi (mutation mutation-soft)
Nydd Gŵyl Dewi (mutation mutation-nasal)

/ˌdɨːð ˌɡuːɨ̯l ˈdɛu̯.ɪ/

/ˌdɪɡʊɨ̯l ˈdɛu̯.ɪ/

/ˌdiːð ˌɡʊi̯l ˈdɛu̯.i/

Dydd (“day”) + Gŵyl (“(of the) festival”) + Dewi (“(of) (Saint) David”)


sychdarthu

cy-verb

sychdarthu (first-person singular present sychdarthaf, not mutable)

sychdarthaf (first-person present singular)
sychdarthaf (first-person future indicative present singular)
sychderthi (future indicative present second-person singular)
sychdartha (future indicative present singular third-person)
sychdarthwn (first-person future indicative plural present)
sychderthwch (future indicative plural present second-person)
sychdarthwch (future indicative plural present second-person)
sychdarthant (future indicative plural present third-person)
sychderthir (future impersonal indicative present)
sychdarthwn (conditional first-person singular)
sychdarthwn (first-person imperfect indicative singular subjunctive)
sychdarthit (conditional second-person singular)
sychdarthit (imperfect indicative second-person singular subjunctive)
sychdarthai (conditional singular third-person)
sychdarthai (imperfect indicative singular subjunctive third-person)
sychdarthem (conditional first-person plural)
sychdarthem (first-person imperfect indicative plural subjunctive)
sychdarthech (conditional plural second-person)
sychdarthech (imperfect indicative plural second-person subjunctive)
sychdarthent (conditional plural third-person)
sychdarthent (imperfect indicative plural subjunctive third-person)
sychderthid (conditional impersonal)
sychderthid (imperfect impersonal indicative subjunctive)
sychderthais (first-person preterite singular)
sychderthaist (preterite second-person singular)
sychdarthodd (preterite singular third-person)
sychdarthasom (first-person plural preterite)
sychdarthasoch (plural preterite second-person)
sychdarthasant (plural preterite third-person)
sychdarthwyd (impersonal preterite)
sychdarthaswn (first-person pluperfect singular)
sychdarthasit (pluperfect second-person singular)
sychdarthasai (pluperfect singular third-person)
sychdarthasem (first-person pluperfect plural)
sychdarthasech (pluperfect plural second-person)
sychdarthasent (pluperfect plural third-person)
sychdarthasid (impersonal pluperfect)
sychdarthesid (impersonal pluperfect)
sychdarthwyf (first-person present singular subjunctive)
sychderthych (present second-person singular subjunctive)
sychdartho (present singular subjunctive third-person)
sychdarthom (first-person plural present subjunctive)
sychdarthoch (plural present second-person subjunctive)
sychdarthont (plural present subjunctive third-person)
sychdarther (impersonal present subjunctive)
sychdartha (imperative second-person singular)
sychdarthed (imperative singular third-person)
sychdarthwn (first-person imperative plural)
sychderthwch (imperative plural second-person)
sychdarthwch (imperative plural second-person)
sychdarthent (imperative plural third-person)
sychdarther (imperative impersonal)
sychdarthu (noun-from-verb)
sychdarthedig (participle)
sychdarthadwy (participle)
sychdartha i (first-person future singular)
sychdarthaf i (first-person future singular)
sychdarthi di (future second-person singular)
sychdarthith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
sychdarthiff e (future singular third-person)
sychdarthwn ni (first-person future plural)
sychdarthwch chi (future plural second-person)
sychdarthan nhw (future plural third-person)
sychdarthwn i (conditional first-person singular)
sychdarthswn i (conditional first-person singular)
sychdarthet ti (conditional second-person singular)
sychdarthset ti (conditional second-person singular)
sychdarthai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
sychdarthsai fo (conditional singular third-person)
sychdarthen ni (conditional first-person plural)
sychdarthsen ni (conditional first-person plural)
sychdarthech chi (conditional plural second-person)
sychdarthsech chi (conditional plural second-person)
sychdarthen nhw (conditional plural third-person)
sychdarthsen nhw (conditional plural third-person)
sychdarthais i (first-person preterite singular)
sychdarthes i (first-person preterite singular)
sychdarthaist ti (preterite second-person singular)
sychdarthest ti (preterite second-person singular)
sychdarthodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
sychdarthon ni (first-person plural preterite)
sychdarthoch chi (plural preterite second-person)
sychdarthon nhw (plural preterite third-person)
sychdartha (imperative second-person singular)
sychdarthwch (imperative plural second-person)

/səχˈdarθɨ̞/

[səχˈtarθɨ̞]

From sych (“dry”) + tarthu (“to evaporate”).


llostchwydd

llostchwyddau (plural)
llostchwydd (mutation mutation-radical)
lostchwydd (mutation mutation-soft)

/ˈɬɔsdχwɨ̞ð/

[ˈɬɔstχwɨ̞ð]

/ˈɬɔsdχʊi̯ð/

[ˈɬɔstχʊi̯ð]

llost (“tail, penis”) + chwydd (“swelling, protuberance”).


llostgyfod

llostgyfod (mutation mutation-radical)
lostgyfod (mutation mutation-soft)

/ɬɔsdˈɡəvɔd/

llost (“tail, penis”) + cyfod (“raising, erection”).


priapaeth

priapaethau (plural)
priapaeth (mutation mutation-radical)
briapaeth (mutation mutation-soft)
mhriapaeth (mutation mutation-nasal)
phriapaeth (mutation mutation-aspirate)


ardir

ardir (mutation mutation-radical)
hardir (mutation prothesis-h)

âr (“arable land, tillage”) + tir (“land”).


âr

arau (plural)
âr (mutation mutation-radical)
hâr (mutation prothesis-h)

From Proto-Indo-European *h₂erh₃- (“to plough”).

inh

(agriculture) tillage, cultivation of arable land


off ei ben

off fy mhen (first-person singular)
off ein pennau (first-person plural)
off dy ben (second-person singular)
off eich pen (plural second-person)
off eich pennau (plural second-person)
off ei ben m (singular third-person)
off ei phen f (singular third-person)
off eu pennau (plural third-person)


culddail

cy-adj

culddail (feminine singular culddail, plural culddail, not comparable)

culddail (feminine singular)
culddail (plural)
culddail (mutation mutation-radical)
gulddail (mutation mutation-soft)
nghulddail (mutation mutation-nasal)
chulddail (mutation mutation-aspirate)

(botany) narrow-leaved, having narrow leaves


llwydrew

llwydrewiau (plural)
llwydrew (mutation mutation-radical)
lwydrew (mutation mutation-soft)

/ˈɬʊɨ̯drɛu̯/

/ˈɬʊi̯drɛu̯/

llwyd (“grey, greyish blue, pale”) + rhew (“frost”)


tsip

cy-noun

tsip m (plural tsips, diminutive tsipsen)

tsips (plural)
tsipsen (diminutive)
tsip (mutation mutation-radical)
jip (irregular mutation mutation-soft)

siop jips


gwymoneg

gwymoneg (mutation mutation-radical)
wymoneg (mutation mutation-soft)
ngwymoneg (mutation mutation-nasal)


cloron

cloron f (collective, singulative cloronen or cloren)

cloronen (singulative)
cloren (singulative)
cloron (mutation mutation-radical)
gloron (mutation mutation-soft)
nghloron (mutation mutation-nasal)
chloron (mutation mutation-aspirate)

From clôr (“truffles, earthnuts, pignuts”) + -on, under the influence of such words as moron (“carrots”).


Talmwd

y Talmwd (canonical masculine)
Talmwd (mutation mutation-radical)
Dalmwd (mutation mutation-soft)
Nhalmwd (mutation mutation-nasal)
Thalmwd (mutation mutation-aspirate)

Borrowed from English Talmud, from Hebrew תַּלְמוּד (talmúd, “instruction, learning”).


sêr gwib

cy-noun

sêr gwib f (collective, singulative seren wib, not mutable)

sêr (“stars”) + gwib (“swift, wandering”).


lemonêd

Borrowed from English lemonade, from French limonade.


Trindod

y Drindod (canonical feminine)
Trindod (mutation mutation-radical)
Drindod (mutation mutation-soft)
Nhrindod (mutation mutation-nasal)
Thrindod (mutation mutation-aspirate)


rhostio

cy-verb

rhostio (first-person singular present rhostiaf)

rhostiaf (first-person present singular)
rhostiaf (first-person future indicative present singular)
rhosti (future indicative present second-person singular)
rhostia (future indicative present singular third-person)
rhostiwn (first-person future indicative plural present)
rhostiwch (future indicative plural present second-person)
rhostiant (future indicative plural present third-person)
rhostir (future impersonal indicative present)
rhostiwn (conditional first-person singular)
rhostiwn (first-person imperfect indicative singular)
rhostit (conditional second-person singular)
rhostit (imperfect indicative second-person singular)
rhostiai (conditional singular third-person)
rhostiai (imperfect indicative singular third-person)
rhostiem (conditional first-person plural)
rhostiem (first-person imperfect indicative plural)
rhostiech (conditional plural second-person)
rhostiech (imperfect indicative plural second-person)
rhostient (conditional plural third-person)
rhostient (imperfect indicative plural third-person)
rhostid (conditional impersonal)
rhostid (imperfect impersonal indicative)
rhostiais (first-person preterite singular)
rhostiaist (preterite second-person singular)
rhostiodd (preterite singular third-person)
rhostiasom (first-person plural preterite)
rhostiasoch (plural preterite second-person)
rhostiasant (plural preterite third-person)
rhostiwyd (impersonal preterite)
rhostiaswn (first-person pluperfect singular)
rhostiasit (pluperfect second-person singular)
rhostiasai (pluperfect singular third-person)
rhostiasem (first-person pluperfect plural)
rhostiasech (pluperfect plural second-person)
rhostiasent (pluperfect plural third-person)
rhostiasid (impersonal pluperfect)
rhostiesid (impersonal pluperfect)
rhostiwyf (first-person present singular subjunctive)
rhostiech (present second-person singular subjunctive)
rhostio (present singular subjunctive third-person)
rhostiom (first-person plural present subjunctive)
rhostioch (plural present second-person subjunctive)
rhostiont (plural present subjunctive third-person)
rhostier (impersonal present subjunctive)
rhostia (imperative second-person singular)
rhostied (imperative singular third-person)
rhostiwn (first-person imperative plural)
rhostiwch (imperative plural second-person)
rhostient (imperative plural third-person)
rhostier (imperative impersonal)
rhostio (noun-from-verb)
rhostiedig (participle)
rhostiadwy (participle)
rhostia i (first-person future singular)
rhostiaf i (first-person future singular)
rhosti di (future second-person singular)
rhostith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
rhostiff e (future singular third-person)
rhostiwn ni (first-person future plural)
rhostiwch chi (future plural second-person)
rhostian nhw (future plural third-person)
rhostiwn i (conditional first-person singular)
rhostswn i (conditional first-person singular)
rhostiet ti (conditional second-person singular)
rhostset ti (conditional second-person singular)
rhostiai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
rhostsai fo (conditional singular third-person)
rhostien ni (conditional first-person plural)
rhostsen ni (conditional first-person plural)
rhostiech chi (conditional plural second-person)
rhostsech chi (conditional plural second-person)
rhostien nhw (conditional plural third-person)
rhostsen nhw (conditional plural third-person)
rhostiais i (first-person preterite singular)
rhosties i (first-person preterite singular)
rhostiaist ti (preterite second-person singular)
rhostiest ti (preterite second-person singular)
rhostiodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
rhostion ni (first-person plural preterite)
rhostioch chi (plural preterite second-person)
rhostion nhw (plural preterite third-person)
rhostia (imperative second-person singular)
rhostiwch (imperative plural second-person)
rhostio (mutation mutation-radical)
rostio (mutation mutation-soft)

cig oen Cymreig wedi'i rostio'n araf


sgramblo

sgramblo (first-person singular present sgramblaf, not mutable)

sgramblaf (first-person present singular)
sgramblaf (first-person future indicative present singular)
sgrembli (future indicative present second-person singular)
sgrambla (future indicative present singular third-person)
sgramblwn (first-person future indicative plural present)
sgremblwch (future indicative plural present second-person)
sgramblwch (future indicative plural present second-person)
sgramblant (future indicative plural present third-person)
sgremblir (future impersonal indicative present)
sgramblwn (conditional first-person singular)
sgramblwn (first-person imperfect indicative singular subjunctive)
sgramblit (conditional second-person singular)
sgramblit (imperfect indicative second-person singular subjunctive)
sgramblai (conditional singular third-person)
sgramblai (imperfect indicative singular subjunctive third-person)
sgramblem (conditional first-person plural)
sgramblem (first-person imperfect indicative plural subjunctive)
sgramblech (conditional plural second-person)
sgramblech (imperfect indicative plural second-person subjunctive)
sgramblent (conditional plural third-person)
sgramblent (imperfect indicative plural subjunctive third-person)
sgremblid (conditional impersonal)
sgremblid (imperfect impersonal indicative subjunctive)
sgremblais (first-person preterite singular)
sgremblaist (preterite second-person singular)
sgramblodd (preterite singular third-person)
sgramblasom (first-person plural preterite)
sgramblasoch (plural preterite second-person)
sgramblasant (plural preterite third-person)
sgramblwyd (impersonal preterite)
sgramblaswn (first-person pluperfect singular)
sgramblasit (pluperfect second-person singular)
sgramblasai (pluperfect singular third-person)
sgramblasem (first-person pluperfect plural)
sgramblasech (pluperfect plural second-person)
sgramblasent (pluperfect plural third-person)
sgramblasid (impersonal pluperfect)
sgramblesid (impersonal pluperfect)
sgramblwyf (first-person present singular subjunctive)
sgremblych (present second-person singular subjunctive)
sgramblo (present singular subjunctive third-person)
sgramblom (first-person plural present subjunctive)
sgrambloch (plural present second-person subjunctive)
sgramblont (plural present subjunctive third-person)
sgrambler (impersonal present subjunctive)
sgrambla (imperative second-person singular)
sgrambled (imperative singular third-person)
sgramblwn (first-person imperative plural)
sgremblwch (imperative plural second-person)
sgramblwch (imperative plural second-person)
sgramblent (imperative plural third-person)
sgrambler (imperative impersonal)
sgramblo (noun-from-verb)
sgrambledig (participle)
sgrambladwy (participle)
sgrambla i (first-person future singular)
sgramblaf i (first-person future singular)
sgrambli di (future second-person singular)
sgramblith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
sgrambliff e (future singular third-person)
sgramblwn ni (first-person future plural)
sgramblwch chi (future plural second-person)
sgramblan nhw (future plural third-person)
sgramblwn i (conditional first-person singular)
sgramblswn i (conditional first-person singular)
sgramblet ti (conditional second-person singular)
sgramblset ti (conditional second-person singular)
sgramblai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
sgramblsai fo (conditional singular third-person)
sgramblen ni (conditional first-person plural)
sgramblsen ni (conditional first-person plural)
sgramblech chi (conditional plural second-person)
sgramblsech chi (conditional plural second-person)
sgramblen nhw (conditional plural third-person)
sgramblsen nhw (conditional plural third-person)
sgramblais i (first-person preterite singular)
sgrambles i (first-person preterite singular)
sgramblaist ti (preterite second-person singular)
sgramblest ti (preterite second-person singular)
sgramblodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
sgramblon ni (first-person plural preterite)
sgrambloch chi (plural preterite second-person)
sgramblon nhw (plural preterite third-person)
sgrambla (imperative second-person singular)
sgramblwch (imperative plural second-person)

wyau wedi'u sgramblo

to scramble to combine and cook as a loose mass


goflew

cy-noun

goflew m (collective, singulative goflewyn)

goflewyn (singulative)
goflew (mutation mutation-radical)
oflew (mutation mutation-soft)
ngoflew (mutation mutation-nasal)


amranflew

amranflew m (collective, singulative amranflewyn)

amranflewyn (singulative)
amranflew (mutation mutation-radical)
hamranflew (mutation prothesis-h)


blew llygaid

blew llygaid m (collective, singulative blewyn llygaid)

blewyn llygaid (singulative)
blew llygaid (mutation mutation-radical)
flew llygaid (mutation mutation-soft)
mlew llygaid (mutation mutation-nasal)

gweld blew ei lygaid

to mistakenly believe one sees things; to seen one's eyelashes


blew amrant

blew amrant m (collective, singulative blewyn amrant)

blewyn amrant (singulative)
blew amrant (mutation mutation-radical)
flew amrant (mutation mutation-soft)
mlew amrant (mutation mutation-nasal)


traeanu

cy-verb

traeanu (first-person singular present traeanaf)

traeanaf (first-person present singular)
traeanaf (first-person future indicative present singular)
traeeni (future indicative present second-person singular)
traeana (future indicative present singular third-person)
traeanwn (first-person future indicative plural present)
traeenwch (future indicative plural present second-person)
traeanwch (future indicative plural present second-person)
traeanant (future indicative plural present third-person)
traeenir (future impersonal indicative present)
traeanwn (conditional first-person singular)
traeanwn (first-person imperfect indicative singular subjunctive)
traeanit (conditional second-person singular)
traeanit (imperfect indicative second-person singular subjunctive)
traeanai (conditional singular third-person)
traeanai (imperfect indicative singular subjunctive third-person)
traeanem (conditional first-person plural)
traeanem (first-person imperfect indicative plural subjunctive)
traeanech (conditional plural second-person)
traeanech (imperfect indicative plural second-person subjunctive)
traeanent (conditional plural third-person)
traeanent (imperfect indicative plural subjunctive third-person)
traeenid (conditional impersonal)
traeenid (imperfect impersonal indicative subjunctive)
traeenais (first-person preterite singular)
traeenaist (preterite second-person singular)
traeanodd (preterite singular third-person)
traeanasom (first-person plural preterite)
traeanasoch (plural preterite second-person)
traeanasant (plural preterite third-person)
traeanwyd (impersonal preterite)
traeanaswn (first-person pluperfect singular)
traeanasit (pluperfect second-person singular)
traeanasai (pluperfect singular third-person)
traeanasem (first-person pluperfect plural)
traeanasech (pluperfect plural second-person)
traeanasent (pluperfect plural third-person)
traeanasid (impersonal pluperfect)
traeanesid (impersonal pluperfect)
traeanwyf (first-person present singular subjunctive)
traeenych (present second-person singular subjunctive)
traeano (present singular subjunctive third-person)
traeanom (first-person plural present subjunctive)
traeanoch (plural present second-person subjunctive)
traeanont (plural present subjunctive third-person)
traeaner (impersonal present subjunctive)
traeana (imperative second-person singular)
traeaned (imperative singular third-person)
traeanwn (first-person imperative plural)
traeenwch (imperative plural second-person)
traeanwch (imperative plural second-person)
traeanent (imperative plural third-person)
traeaner (imperative impersonal)
traeanu (noun-from-verb)
traeanedig (participle)
traeanadwy (participle)
traeana i (first-person future singular)
traeanaf i (first-person future singular)
traeani di (future second-person singular)
traeanith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
traeaniff e (future singular third-person)
traeanwn ni (first-person future plural)
traeanwch chi (future plural second-person)
traeanan nhw (future plural third-person)
traeanwn i (conditional first-person singular)
traeanswn i (conditional first-person singular)
traeanet ti (conditional second-person singular)
traeanset ti (conditional second-person singular)
traeanai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
traeansai fo (conditional singular third-person)
traeanen ni (conditional first-person plural)
traeansen ni (conditional first-person plural)
traeanech chi (conditional plural second-person)
traeansech chi (conditional plural second-person)
traeanen nhw (conditional plural third-person)
traeansen nhw (conditional plural third-person)
traeanais i (first-person preterite singular)
traeanes i (first-person preterite singular)
traeanaist ti (preterite second-person singular)
traeanest ti (preterite second-person singular)
traeanodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
traeanon ni (first-person plural preterite)
traeanoch chi (plural preterite second-person)
traeanon nhw (plural preterite third-person)
traeana (imperative second-person singular)
traeanwch (imperative plural second-person)
traeanu (mutation mutation-radical)
draeanu (mutation mutation-soft)
nhraeanu (mutation mutation-nasal)
thraeanu (mutation mutation-aspirate)

(mathematics) to trisect (into three equal parts)


pasbort

pasbortau (plural)
pasbort (mutation mutation-radical)
basbort (mutation mutation-soft)
mhasbort (mutation mutation-nasal)
phasbort (mutation mutation-aspirate)

Cofia dy basbort!


manflew

cy-noun

manflew m (collective, singulative manflewyn)

manflewyn (singulative)
manflew (mutation mutation-radical)
fanflew (mutation mutation-soft)


amlgellog

cy-adj

amlgellog (feminine singular amlgellog, plural amlgellog, equative mor amlgellog, comparative mwy amlgellog, superlative mwyaf amlgellog)

amlgellog (feminine singular)
amlgellog (plural)
mor amlgellog (equative)
mwy amlgellog (comparative)
mwyaf amlgellog (superlative)
amlgellog (mutation mutation-radical)
hamlgellog (mutation prothesis-h)

/ˌamlˈɡɛɬɔɡ/

[ˌaml̩ˈɡɛɬɔɡ]


cellog

cellog (feminine singular cellog, plural cellog, not comparable)

cellog (feminine singular)
cellog (plural)
cellog (mutation mutation-radical)
gellog (mutation mutation-soft)
nghellog (mutation mutation-nasal)
chellog (mutation mutation-aspirate)


cannwyll frwyn

cy-noun

cannwyll frwyn f (plural canhwyllau brwyn)


ffôn tŷ

ffôn tŷ m (plural ffonau tŷ or ffonau tai, not mutable)

ffonau tŷ (plural)
ffonau tai (plural)
ffôn tŷ (mutation mutation-radical)


caifn

ceifnaint (plural)
caifn (mutation mutation-radical)
gaifn (mutation mutation-soft)
nghaifn (mutation mutation-nasal)
chaifn (mutation mutation-aspirate)

From Middle Welsh keifn, from Proto-Brythonic *köβ̃n, from Proto-Celtic *kom-neɸūss, from Proto-Indo-European *ḱóm (“beside, with”) + *népōts (“descendant; nephew”).

der

(obsolete) relative or kinsman of the fourth degree


tarthu

cy-verb

tarthu (first-person singular present tarthaf)

tarthaf (first-person present singular)
tarthaf (first-person future indicative present singular)
sychderthi (future indicative present second-person singular)
tartha (future indicative present singular third-person)
tarthwn (first-person future indicative plural present)
sychderthwch (future indicative plural present second-person)
tarthwch (future indicative plural present second-person)
tarthant (future indicative plural present third-person)
sychderthir (future impersonal indicative present)
tarthwn (conditional first-person singular)
tarthwn (first-person imperfect indicative singular subjunctive)
tarthit (conditional second-person singular)
tarthit (imperfect indicative second-person singular subjunctive)
tarthai (conditional singular third-person)
tarthai (imperfect indicative singular subjunctive third-person)
tarthem (conditional first-person plural)
tarthem (first-person imperfect indicative plural subjunctive)
tarthech (conditional plural second-person)
tarthech (imperfect indicative plural second-person subjunctive)
tarthent (conditional plural third-person)
tarthent (imperfect indicative plural subjunctive third-person)
sychderthid (conditional impersonal)
sychderthid (imperfect impersonal indicative subjunctive)
sychderthais (first-person preterite singular)
sychderthaist (preterite second-person singular)
tarthodd (preterite singular third-person)
tarthasom (first-person plural preterite)
tarthasoch (plural preterite second-person)
tarthasant (plural preterite third-person)
tarthwyd (impersonal preterite)
tarthaswn (first-person pluperfect singular)
tarthasit (pluperfect second-person singular)
tarthasai (pluperfect singular third-person)
tarthasem (first-person pluperfect plural)
tarthasech (pluperfect plural second-person)
tarthasent (pluperfect plural third-person)
tarthasid (impersonal pluperfect)
tarthesid (impersonal pluperfect)
tarthwyf (first-person present singular subjunctive)
sychderthych (present second-person singular subjunctive)
tartho (present singular subjunctive third-person)
tarthom (first-person plural present subjunctive)
tarthoch (plural present second-person subjunctive)
tarthont (plural present subjunctive third-person)
tarther (impersonal present subjunctive)
tartha (imperative second-person singular)
tarthed (imperative singular third-person)
tarthwn (first-person imperative plural)
sychderthwch (imperative plural second-person)
tarthwch (imperative plural second-person)
tarthent (imperative plural third-person)
tarther (imperative impersonal)
tarthu (noun-from-verb)
tarthedig (participle)
tarthadwy (participle)
tartha i (first-person future singular)
tarthaf i (first-person future singular)
tarthi di (future second-person singular)
tarthith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
tarthiff e (future singular third-person)
tarthwn ni (first-person future plural)
tarthwch chi (future plural second-person)
tarthan nhw (future plural third-person)
tarthwn i (conditional first-person singular)
tarthswn i (conditional first-person singular)
tarthet ti (conditional second-person singular)
tarthset ti (conditional second-person singular)
tarthai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
tarthsai fo (conditional singular third-person)
tarthen ni (conditional first-person plural)
tarthsen ni (conditional first-person plural)
tarthech chi (conditional plural second-person)
tarthsech chi (conditional plural second-person)
tarthen nhw (conditional plural third-person)
tarthsen nhw (conditional plural third-person)
tarthais i (first-person preterite singular)
tarthes i (first-person preterite singular)
tarthaist ti (preterite second-person singular)
tarthest ti (preterite second-person singular)
tarthodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
tarthon ni (first-person plural preterite)
tarthoch chi (plural preterite second-person)
tarthon nhw (plural preterite third-person)
tartha (imperative second-person singular)
tarthwch (imperative plural second-person)


gorchaifn

gorcheifnaint (plural)
gorchaifn (mutation mutation-radical)
orchaifn (mutation mutation-soft)
ngorchaifn (mutation mutation-nasal)

(obsolete) fourth cousin, relative or kinsman of the fifth degree


gwaddod

From Proto-Celtic *wodātu. Synchrynically analysable as a deverbalisation of gwaddodi (“to precipitate”).


chwarren lymffatig

cy-noun

chwarren lymffatig f (plural chwarennau lymffatig, not mutable)

chwarren (“gland”) + lymffatig (“lymphatic”).


chwarren adrenal

chwarren adrenal f (plural chwarennau adrenal, not mutable)


chwarren chwys

chwarren chwys f (plural chwarennau chwys, not mutable)


chwarren lymff

chwarren lymff f (plural chwarennau lymff, not mutable)


chwarren y ffolen

chwarren y ffolen f (plural chwarennau'r ffolen, not mutable)

chwarren (“gland”) + ffolen (“buttock, haunch”).


chwarren felynwy

chwarren felynwy f (plural chwarennau melynwy, not mutable)


chwarren bitwidol

chwarren bitwidol f (plural chwarennau pitwidol, not mutable)

chwarren (“gland”) + pitwidol (“pituitary”).


chwarren gastrig

chwarren gastrig f (plural chwarennau gastrig, not mutable)

chwarren (“gland”) + gastrig (“gastric”).


chwarren laeth

chwarren laeth f (plural chwarennau llaeth, not mutable)


chwarren boer

chwarren boer f (plural chwarennau chwys, not mutable)


chwarren fwcaidd

chwarren fwcaidd f (plural chwarennau mwcaidd, not mutable)

chwarren (“gland”) + mwcaidd (“mucous”).


chwarren brostad

chwarren brostad f (plural chwarennau prostad, not mutable)

chwarren (“gland”) + prostad (“prostate”).


chwarren sebwm

chwarren sebwm f (plural chwarennau sebwm, not mutable)


chwarenglwyf

chwarenglwyf f (uncountable, not mutable)

/ˌχwarɛŋˈɡluːɨ̯v/

/ˌχwarɛŋˈɡlʊi̯v/

chwarren (“gland”) + clwyf (“sickness”).


chwarren ecdysaidd

chwarren ecdysaidd f (plural chwarennau ecdysaidd, not mutable)

chwarren (“gland”) + ecdysaidd (“relating to ecdysis”).


chwarren thyroid

chwarren thyroid f (plural chwarennau thyroid, not mutable)


chwarren islygadol

chwarren islygadol f (plural chwarennau islygadol, not mutable)

chwarren (“gland”) + islygadol (“infraorbital”).


chwarren Cowper

chwarren Cowper f (plural chwarennau lymff, not mutable)

chwarren (“gland”) + named after English surgeon and anatomist William Cowper (1666–1709).


chwarren endocrin

cy-noun

chwarren endocrin f (plural chwarennau ecsocrin, not mutable)

chwarren (“gland”) + endocrin (“endocrine”).


chwarren ecsocrin

chwarren ecsocrin f (plural chwarennau ecsocrin, not mutable)

chwarren (“gland”) + ecsocrin (“exocrine”).


prostad

prostadau (plural)
prostad (mutation mutation-radical)
brostad (mutation mutation-soft)
mhrostad (mutation mutation-nasal)
phrostad (mutation mutation-aspirate)


tafol

tafolau (plural)
tafolion (plural)
tafol (mutation mutation-radical)
dafol (mutation mutation-soft)
nhafol (mutation mutation-nasal)
thafol (mutation mutation-aspirate)


pitwidol

cy-adj

pitwidol (feminine singular pitwidol, plural pitwidol, equative mor bitwidol, comparative mwy pitwidol, superlative mwyaf pitwidol)

pitwidol (feminine singular)
pitwidol (plural)
mor bitwidol (equative)
mwy pitwidol (comparative)
mwyaf pitwidol (superlative)
pitwidol (mutation mutation-radical)
bitwidol (mutation mutation-soft)
mhitwidol (mutation mutation-nasal)
phitwidol (mutation mutation-aspirate)

af

English <i class="Latn mention" lang="en">pituitary</i>


chwiliwr

cy-noun

chwiliwr m (plural chwilwyr, not mutable)


chwiliwr Hall

chwiliwr Hall m (plural chwilwyr Hall, not mutable)

chwiliwr (“probe”) + named after American physicist Edwin Herbert Hall (1855–1938).


chwiliedydd

cy-noun

chwiliedydd m (plural chwiliedyddion, not mutable)

/χwɪlˈjɛdɨ̞ð/

/χwɪlˈjɛdɪð/


chwiliedydd Hall

chwiliedydd Hall m (plural chwiliedyddion Hall, not mutable)

chwiliedydd (“probe”) + named after American physicist Edwin Herbert Hall (1855–1938).


chwiliedydd fflam

chwiliedydd fflam m (plural chwiliedyddion fflam, not mutable)


chwiliedydd genynnau

chwiliedydd genynnau m (plural chwiliedyddion genynnau, not mutable)

(genetics) hybridization probe, gene probe


ffracsiwn degol

ffracsiwn degol m (plural ffracsiynau degol or ffracsiynau degolion, not mutable)

ffracsiynau degol (plural)
ffracsiynau degolion (plural)


degymol

cy-adj

degymol (feminine singular degymol, plural degymolion, not comparable)

degymol (feminine singular)
degymolion (plural)
degymol (mutation mutation-radical)
ddegymol (mutation mutation-soft)
negymol (mutation mutation-nasal)


degolyn

degolion (plural)
degolyn (mutation mutation-radical)
ddegolyn (mutation mutation-soft)
negolyn (mutation mutation-nasal)


ffracsiwn degymol

cy-noun

ffracsiwn degymol m (plural ffracsiynau degymol or ffracsiynau degymolion, not mutable)

ffracsiynau degymol (plural)
ffracsiynau degymolion (plural)


ffracsiwn

ffracsiwn m (plural ffracsiynau, not mutable)


degwm

degymau (plural)
degwm (mutation mutation-radical)
ddegwm (mutation mutation-soft)
negwm (mutation mutation-nasal)

Borrowed from Latin decuma (“tenth, tithe”)


degol

cy-adj

degol (feminine singular degol, plural degolion, not comparable)

degol (feminine singular)
degolion (plural)


degol

degolion (plural)
degol (mutation mutation-radical)
ddegol (mutation mutation-soft)
negol (mutation mutation-nasal)


dienyddiwr

dienyddiwyr (plural)
dienyddiwr (mutation mutation-radical)
ddienyddiwr (mutation mutation-soft)
nienyddiwr (mutation mutation-nasal)

/ˌdɪ.ɛˈnəðjʊr/


dihenydd

cy-noun

dihenydd m (plural dienyddiau or dienyddion)

dienyddiau (plural)
dienyddion (plural)
dihenydd (mutation mutation-radical)
ddihenydd (mutation mutation-soft)
nihenydd (mutation mutation-nasal)


ffa coffi

ffa coffi f (collective, singulative ffeuen goffi, not mutable)


gwagen

gwagenau (plural)
gwageni (plural)
gwagen (mutation mutation-radical)
wagen (mutation mutation-soft)
ngwagen (mutation mutation-nasal)

(transport) Alternative form of wagen (“wagon”)


esgor

cy-verb

esgor (first-person singular present esgoraf)

esgoraf (first-person present singular)
esgoraf (first-person future indicative present singular)
esgori (future indicative present second-person singular)
esgor (future indicative present singular third-person)
esgora (future indicative present singular third-person)
esgorwn (first-person future indicative plural present)
esgorwch (future indicative plural present second-person)
esgorant (future indicative plural present third-person)
esgorir (future impersonal indicative present)
esgorwn (conditional first-person singular)
esgorwn (first-person imperfect indicative singular subjunctive)
esgorit (conditional second-person singular)
esgorit (imperfect indicative second-person singular subjunctive)
esgorai (conditional singular third-person)
esgorai (imperfect indicative singular subjunctive third-person)
esgorem (conditional first-person plural)
esgorem (first-person imperfect indicative plural subjunctive)
esgorech (conditional plural second-person)
esgorech (imperfect indicative plural second-person subjunctive)
esgorent (conditional plural third-person)
esgorent (imperfect indicative plural subjunctive third-person)
esgorid (conditional impersonal)
esgorid (imperfect impersonal indicative subjunctive)
esgorais (first-person preterite singular)
esgoraist (preterite second-person singular)
esgorodd (preterite singular third-person)
esgorasom (first-person plural preterite)
esgorasoch (plural preterite second-person)
esgorasant (plural preterite third-person)
esgorwyd (impersonal preterite)
esgoraswn (first-person pluperfect singular)
esgorasit (pluperfect second-person singular)
esgorasai (pluperfect singular third-person)
esgorasem (first-person pluperfect plural)
esgorasech (pluperfect plural second-person)
esgorasent (pluperfect plural third-person)
esgorasid (impersonal pluperfect)
esgoresid (impersonal pluperfect)
esgorwyf (first-person present singular subjunctive)
esgorych (present second-person singular subjunctive)
esgoro (present singular subjunctive third-person)
esgorom (first-person plural present subjunctive)
esgoroch (plural present second-person subjunctive)
esgoront (plural present subjunctive third-person)
esgorer (impersonal present subjunctive)
esgor (imperative second-person singular)
esgora (imperative second-person singular)
esgored (imperative singular third-person)
esgorwn (first-person imperative plural)
esgorwch (imperative plural second-person)
esgorent (imperative plural third-person)
esgorer (imperative impersonal)
esgor (noun-from-verb)
esgoredig (participle)
esgoradwy (participle)
esgora i (first-person future singular)
esgoraf i (first-person future singular)
esgori di (future second-person singular)
esgorith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
esgoriff e (future singular third-person)
esgorwn ni (first-person future plural)
esgorwch chi (future plural second-person)
esgoran nhw (future plural third-person)
esgorwn i (conditional first-person singular)
esgorswn i (conditional first-person singular)
esgoret ti (conditional second-person singular)
esgorset ti (conditional second-person singular)
esgorai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
esgorsai fo (conditional singular third-person)
esgoren ni (conditional first-person plural)
esgorsen ni (conditional first-person plural)
esgorech chi (conditional plural second-person)
esgorsech chi (conditional plural second-person)
esgoren nhw (conditional plural third-person)
esgorsen nhw (conditional plural third-person)
esgorais i (first-person preterite singular)
esgores i (first-person preterite singular)
esgoraist ti (preterite second-person singular)
esgorest ti (preterite second-person singular)
esgorodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
esgoron ni (first-person plural preterite)
esgoroch chi (plural preterite second-person)
esgoron nhw (plural preterite third-person)
esgora (imperative second-person singular)
esgorwch (imperative plural second-person)
esgor (mutation mutation-radical)
hesgor (mutation prothesis-h)

Alternative form of esgori (“to give birth”)


gwaddodiad

gwaddodiadau (plural)
gwaddodiad (mutation mutation-radical)
waddodiad (mutation mutation-soft)
ngwaddodiad (mutation mutation-nasal)

From gwaddodi (“to precipitate”) + -iad.


dyddodyn

dyddodion (plural)
dyddodyn (mutation mutation-radical)
ddyddodyn (mutation mutation-soft)
nyddodyn (mutation mutation-nasal)

(geology, mostly plural) deposit, sediment


cymanfa

cy-noun

cymanfa f (plural cymanfaoedd or cymanfeydd)

cymanfaoedd (plural)
cymanfeydd (plural)
cymanfa (mutation mutation-radical)
gymanfa (mutation mutation-soft)
nghymanfa (mutation mutation-nasal)
chymanfa (mutation mutation-aspirate)

From cyman (“throng, assembly, company”) + -fa.

af

(religion) synod, convocation, assembly of representatives in various Churches, including Anglican, Baptist, Congregationalist, Methodist, Presbyterian and Roman Catholic


hanner coron

(historical) half-crown (predecimalization British coin worth two shillings and sixpence)


gwaddodi

cy-verb

gwaddodi (first-person singular present gwaddodaf)

gwaddodaf (first-person present singular)
gwaddodaf (first-person future indicative present singular)
gwaddodi (future indicative present second-person singular)
gwaddoda (future indicative present singular third-person)
gwaddodwn (first-person future indicative plural present)
gwaddodwch (future indicative plural present second-person)
gwaddodant (future indicative plural present third-person)
gwaddodir (future impersonal indicative present)
gwaddodwn (conditional first-person singular)
gwaddodwn (first-person imperfect indicative singular subjunctive)
gwaddodit (conditional second-person singular)
gwaddodit (imperfect indicative second-person singular subjunctive)
gwaddodai (conditional singular third-person)
gwaddodai (imperfect indicative singular subjunctive third-person)
gwaddodem (conditional first-person plural)
gwaddodem (first-person imperfect indicative plural subjunctive)
gwaddodech (conditional plural second-person)
gwaddodech (imperfect indicative plural second-person subjunctive)
gwaddodent (conditional plural third-person)
gwaddodent (imperfect indicative plural subjunctive third-person)
gwaddodid (conditional impersonal)
gwaddodid (imperfect impersonal indicative subjunctive)
gwaddodais (first-person preterite singular)
gwaddodaist (preterite second-person singular)
gwaddododd (preterite singular third-person)
gwaddodasom (first-person plural preterite)
gwaddodasoch (plural preterite second-person)
gwaddodasant (plural preterite third-person)
gwaddodwyd (impersonal preterite)
gwaddodaswn (first-person pluperfect singular)
gwaddodasit (pluperfect second-person singular)
gwaddodasai (pluperfect singular third-person)
gwaddodasem (first-person pluperfect plural)
gwaddodasech (pluperfect plural second-person)
gwaddodasent (pluperfect plural third-person)
gwaddodasid (impersonal pluperfect)
gwaddodesid (impersonal pluperfect)
gwaddodwyf (first-person present singular subjunctive)
gwaddodych (present second-person singular subjunctive)
gwaddodo (present singular subjunctive third-person)
gwaddodom (first-person plural present subjunctive)
gwaddodoch (plural present second-person subjunctive)
gwaddodont (plural present subjunctive third-person)
gwaddoder (impersonal present subjunctive)
gwaddoda (imperative second-person singular)
gwaddoded (imperative singular third-person)
gwaddodwn (first-person imperative plural)
gwaddodwch (imperative plural second-person)
gwaddodent (imperative plural third-person)
gwaddoder (imperative impersonal)
gwaddodi (noun-from-verb)
gwaddodedig (participle)
gwaddodadwy (participle)
gwaddoda i (first-person future singular)
gwaddodaf i (first-person future singular)
gwaddodi di (future second-person singular)
gwaddodith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
gwaddodiff e (future singular third-person)
gwaddodwn ni (first-person future plural)
gwaddodwch chi (future plural second-person)
gwaddodan nhw (future plural third-person)
gwaddodwn i (conditional first-person singular)
gwaddodswn i (conditional first-person singular)
gwaddodet ti (conditional second-person singular)
gwaddodset ti (conditional second-person singular)
gwaddodai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
gwaddodsai fo (conditional singular third-person)
gwaddoden ni (conditional first-person plural)
gwaddodsen ni (conditional first-person plural)
gwaddodech chi (conditional plural second-person)
gwaddodsech chi (conditional plural second-person)
gwaddoden nhw (conditional plural third-person)
gwaddodsen nhw (conditional plural third-person)
gwaddodais i (first-person preterite singular)
gwaddodes i (first-person preterite singular)
gwaddodaist ti (preterite second-person singular)
gwaddodest ti (preterite second-person singular)
gwaddododd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
gwaddodon ni (first-person plural preterite)
gwaddodoch chi (plural preterite second-person)
gwaddodon nhw (plural preterite third-person)
gwaddoda (imperative second-person singular)
gwaddodwch (imperative plural second-person)
gwaddodi (mutation mutation-radical)
waddodi (mutation mutation-soft)
ngwaddodi (mutation mutation-nasal)

From gwa- (“under, sub-”) + dodi (“to put, to place”).

af

(chemistry, geography) to deposit sediment, to precipitate


trilliw

trilliwiau (plural)
trilliw (mutation mutation-radical)
drilliw (mutation mutation-soft)
nhrilliw (mutation mutation-nasal)
thrilliw (mutation mutation-aspirate)

Viola tricolor
Viola tricolor#Translingual


dwygeiniog

dwygeiniogau (plural)
dwygeiniog (mutation mutation-radical)
ddwygeiniog (mutation mutation-soft)
nwygeiniog (mutation mutation-nasal)

/dʊɨ̯ˈɡei̯njɔɡ/

Univerbation of dwy geiniog (“two pennies”).


dannodd

dannodd (mutation mutation-radical)
ddannodd (mutation mutation-soft)
nannodd (mutation mutation-nasal)

Alternative form of dannoedd (“toothache”)


pen tost

pennau tost (plural)
pen tost (mutation mutation-radical)
ben tost (mutation mutation-soft)
mhen tost (mutation mutation-nasal)
phen tost (mutation mutation-aspirate)

(North Wales)

Mae pen tost 'da fi.


cur pen

cy-noun

cur pen f (plural curiau pen or curau pen)

curiau pen (plural)
curau pen (plural)
cur pen (mutation mutation-radical)
gur pen (mutation mutation-soft)
nghur pen (mutation mutation-nasal)
chur pen (mutation mutation-aspirate)

(South Wales)

Mae gen i gur pen.


cynlluniwr siwrnai

cynlluniwr siwrnai m (plural cynllunwyr siwrnai)


troedfys

troedfysedd (plural)
troedfys (mutation mutation-radical)
droedfys (mutation mutation-soft)
nhroedfys (mutation mutation-nasal)
throedfys (mutation mutation-aspirate)

bys

when not specified in contradistinction with a finger

(anatomy, obsolete) toe (when specified in contradistinction with a finger)


bys llaw

bys llaw m (plural bysedd llaw or bysedd dwylo)

bysedd llaw (plural)
bysedd dwylo (plural)
bys llaw (mutation mutation-radical)
fys llaw (mutation mutation-soft)
mys llaw (mutation mutation-nasal)

(anatomy) finger (when specified in contradistinction with a toe)


palf

palfau (plural)
palf (mutation mutation-radical)
balf (mutation mutation-soft)
mhalf (mutation mutation-nasal)
phalf (mutation mutation-aspirate)

Borrowed from Latin palma (“palm”). Cognate with Cornish palv. Doublet of llaw.


cynlluniwr

cynllunwyr (plural)
cynlluniwr (mutation mutation-radical)
gynlluniwr (mutation mutation-soft)
nghynlluniwr (mutation mutation-nasal)
chynlluniwr (mutation mutation-aspirate)

From cynllunio (“to plan, to design”) + -wr.


chwecheiniog

chwecheiniog f (plural chwecheiniogau, diminutive chwecheiniogyn, not mutable)

chwecheiniogau (plural)
chwecheiniogyn (diminutive)
chwecheiniog (mutation mutation-radical)

/χwɛˈχei̯njɔɡ/

/χwɛˈχei̯njɔɡ/


teneuwe

teneuwe (mutation mutation-radical)
deneuwe (mutation mutation-soft)
nheneuwe (mutation mutation-nasal)
theneuwe (mutation mutation-aspirate)


pwnc atodol

pwnc atodol m (plural pynciau atodol or pynciau atodolion)

pynciau atodol (plural)
pynciau atodolion (plural)
pwnc atodol (mutation mutation-radical)
bwnc atodol (mutation mutation-soft)
mhwnc atodol (mutation mutation-nasal)
phwnc atodol (mutation mutation-aspirate)

(education) subsidiary subject, additional, elective or optional subject (academic subject that forms an elective part of a curriculum)


pwnc Iwerddon

y pwnc Iwerddon (canonical masculine)
pwnc Iwerddon (mutation mutation-radical)
bwnc Iwerddon (mutation mutation-soft)
mhwnc Iwerddon (mutation mutation-nasal)
phwnc Iwerddon (mutation mutation-aspirate)


pwnc y tir

pwnc y tir (mutation mutation-radical)
bwnc y tir (mutation mutation-soft)
mhwnc y tir (mutation mutation-nasal)
phwnc y tir (mutation mutation-aspirate)

(history) the land question, the matter of land reform, especially in 18ᵗʰ-19ᵗʰ century Britain


pwnc sylfaen

pynciau sylfaen (plural)
pwnc sylfaen (mutation mutation-radical)
bwnc sylfaen (mutation mutation-soft)
mhwnc sylfaen (mutation mutation-nasal)
phwnc sylfaen (mutation mutation-aspirate)

(education) foundational subject, foundation subject (academic subject that forms a foundational part of a curriculum)


pwnc craidd

pynciau craidd (plural)
pwnc craidd (mutation mutation-radical)
bwnc craidd (mutation mutation-soft)
mhwnc craidd (mutation mutation-nasal)
phwnc craidd (mutation mutation-aspirate)

(education) core subject (academic subject that forms part of a core curriculum)


pwnc gorfodol

pwnc gorfodol m (plural pynciau gorfodol or pynciau gorfodolion)

pynciau gorfodol (plural)
pynciau gorfodolion (plural)
pwnc gorfodol (mutation mutation-radical)
bwnc gorfodol (mutation mutation-soft)
mhwnc gorfodol (mutation mutation-nasal)
phwnc gorfodol (mutation mutation-aspirate)

(education) compulsory subject (academic subject that is a mandatory part of a curriculum)


adff.

(grammar, linguistics) Abbreviation of adffurfiad (“back-formation”).


atodol

cy-adj

atodol (feminine singular atodol, plural atodolion, not comparable)

atodol (feminine singular)
atodolion (plural)
atodol (mutation mutation-radical)
hatodol (mutation prothesis-h)

* atodi (“to add”) + -ol. Doublet of atddodol (“appended”).


berf gyflawn

berfau cyflawn (plural)
berf gyflawn (mutation mutation-radical)
ferf gyflawn (mutation mutation-soft)
merf gyflawn (mutation mutation-nasal)


berf anghyflawn

cy-noun

berf anghyflawn f (plural berfau anghyflawn)

berfau anghyflawn (plural)
berf anghyflawn (mutation mutation-radical)
ferf anghyflawn (mutation mutation-soft)
merf anghyflawn (mutation mutation-nasal)


gosber

Inherited from Proto-Brythonic *gwesper, from Latin vesper. Cf. Cornish gwesper.

(Christianity) evensong, vespers, evening prayer


stwnsh

Stem of the verb stwnsio (“to mash, mix up”).

mash (especially potatoes or another boiled vegetable), pulp, hash


iwnifform

iwnifform (mutation mutation-radical)
hiwnifform (mutation prothesis-h)


ffurfwisg

ffurfwisg f (plural ffurfwisgoedd, not mutable)

From ffurf (“form”) + gwisg (“dress, clothing”).


gwisg ysgol

gwisgoedd ysgol (plural)
gwisg ysgol (mutation mutation-radical)
wisg ysgol (mutation mutation-soft)
ngwisg ysgol (mutation mutation-nasal)

/ˌɡwiːsɡ ˈəsɡɔl/

/ˌɡwɪsɡ ˈəsɡɔl/


gwisg filwrol

cy-noun

gwisg filwrol f (plural gwisgoedd milwrol)

gwisgoedd milwrol (plural)
gwisg filwrol (mutation mutation-radical)
wisg filwrol (mutation mutation-soft)
ngwisg filwrol (mutation mutation-nasal)

/ˌɡwɪsɡ vɪˈlʊrɔl/

[ˌɡwɪsɡ vɪˈlʊrɔl]


blwyddyn naid

blwyddyn naid m (plural blynyddoedd naid)

1 Mawrth yw'r 60fed dydd o'r flwyddyn yng Nghalendr Gregori (61ain mewn blynyddoedd naid).

March 1st is the 60th day of the year in the Gregorian calendar (61st in leap years).


bach clo

bachau cloeon (plural)
bach clo (mutation mutation-radical)
fach clo (mutation mutation-soft)
mach clo (mutation mutation-nasal)


bannod penodol

bannod penodol f (plural banodau penodol)

banodau penodol (plural)
bannod penodol (mutation mutation-radical)
fannod penodol (mutation mutation-soft)
mannod penodol (mutation mutation-nasal)


bannod ôl-osodedig

bannod ôl-osodedig f (plural banodau ôl-osodedig)

banodau ôl-osodedig (plural)
bannod ôl-osodedig (mutation mutation-radical)
fannod ôl-osodedig (mutation mutation-soft)
mannod ôl-osodedig (mutation mutation-nasal)


pragmateg

pragmateg (mutation mutation-radical)
bragmateg (mutation mutation-soft)
mhragmateg (mutation mutation-nasal)
phragmateg (mutation mutation-aspirate)

(linguistics, translation studies) pragmatics


bannod amhenodol

bannod amhenodol f (plural banodau amhenodol)

banodau amhenodol (plural)
bannod amhenodol (mutation mutation-radical)
fannod amhenodol (mutation mutation-soft)
mannod amhenodol (mutation mutation-nasal)


rhagdybiaeth

rhagdybiaethau (plural)
rhagdybiaeth (mutation mutation-radical)
ragdybiaeth (mutation mutation-soft)


morffoleg

morffoleg (mutation mutation-radical)
forffoleg (mutation mutation-soft)

Adaptation of English morphology. By surface analysis, morff- + -oleg.


cynanwr

cynanwyr (plural)
cynanwr (mutation mutation-radical)
gynanwr (mutation mutation-soft)
nghynanwr (mutation mutation-nasal)
chynanwr (mutation mutation-aspirate)


briger

briger m (collective, singulative brigeryn)

brigeryn (singulative)
briger (mutation mutation-radical)
friger (mutation mutation-soft)
mriger (mutation mutation-nasal)


arnodd

arnoddau (plural)
arnodd (mutation mutation-radical)
harnodd (mutation prothesis-h)


mewnlifol

cy-adj

mewnlifol (feminine singular mewnlifol, plural mewnlifol, equative mor fewnlifol, comparative mwy mewnlifol, superlative mwyaf mewnlifol)

mewnlifol (feminine singular)
mewnlifol (plural)
mor fewnlifol (equative)
mwy mewnlifol (comparative)
mwyaf mewnlifol (superlative)
mewnlifol (mutation mutation-radical)
fewnlifol (mutation mutation-soft)


di-drais

di-drais (feminine singular di-drais, plural di-drais, not comparable)

di-drais (feminine singular)
di-drais (plural)
di-drais (mutation mutation-radical)
ddi-drais (mutation mutation-soft)
ni-drais (mutation mutation-nasal)


haeddel fawr

cy-noun

haeddel fawr f (plural haeddeli mawr, not mutable)

haeddel (“plough-handle”) + mawr (“big, great”).

(agriculture) ploughtail, master-handle of a plough


cwlltwr

cylltyrau (plural)
cwlltwr (mutation mutation-radical)
gwlltwr (mutation mutation-soft)
nghwlltwr (mutation mutation-nasal)
chwlltwr (mutation mutation-aspirate)

(agriculture) coulter (part of a plough)


haeddel fach

haeddel fach f (plural haeddeli bach, not mutable)

haeddel (“plough-handle”) + bach (“small, little”).

(agriculture) ploughstaff, (lesser handle of a plough)


haeddel

haeddel f (plural haeddeli or haeddeliau or haeddelion, not mutable)

haeddeli (plural)
haeddeliau (plural)
haeddelion (plural)

Inherited from Proto-Indo-European *seǵʰ- (“to grasp”). Cognate with Breton hael.


Haeddel Fach

Use of haeddel fach (“ploughstaff, lesser handle of a plough”).


brigerog

cy-adj

brigerog (feminine singular brigerog, plural brigerogion, not comparable)

brigerog (feminine singular)
brigerogion (plural)
brigerog (mutation mutation-radical)
frigerog (mutation mutation-soft)
mrigerog (mutation mutation-nasal)

/brɪˈɡeːrɔɡ/

(botany) staminated, staminated, characterised by having stamens


cawod goch briger Gwener

cawod goch briger Gwener (mutation mutation-radical)
gawod goch briger Gwener (mutation mutation-soft)
nghawod goch briger Gwener (mutation mutation-nasal)
chawod goch briger Gwener (mutation mutation-aspirate)

y gawod goch (“rust, red blight”) + briger Gwener (“maidenhair ferns”).

Cymdeithas Edward Llwyd
w:Cymdeithas Edward Llwyd

Gwasg Carreg Gwalch
w:Gwasg Carreg Gwalch

(phytopathology) maidenhair rust (Hyalopsora adianti-capilli-veneris)


cawod goch rhedynen gorniog

cawod goch rhedynen gorniog (mutation mutation-radical)
gawod goch rhedynen gorniog (mutation mutation-soft)
nghawod goch rhedynen gorniog (mutation mutation-nasal)
chawod goch rhedynen gorniog (mutation mutation-aspirate)

y gawod goch (“rust, red blight”) + rhedynen gorniog (“beech fern”).

(phytopathology) beech fern rust (Uredinopsis filicina)


cawod goch

y gawod goch (canonical feminine)
cawod goch (mutation mutation-radical)
gawod goch (mutation mutation-soft)
nghawod goch (mutation mutation-nasal)
chawod goch (mutation mutation-aspirate)

(phytopathology) rust, rubigo, red-colored fungal infection of plants


rhydni

rhydni (mutation mutation-radical)
rydni (mutation mutation-soft)


glesni

glesni (mutation mutation-radical)
lesni (mutation mutation-soft)
nglesni (mutation mutation-nasal)

(pathology) chlorosis, green sickness (anaemia characterised by skin turning green)

(phytopathology) chlorosis (yellowing or blanching of plant tissue due to chlorophyll deficiency)


glasglwyf

y glasglwyf (canonical masculine)
glasglwyf (mutation mutation-radical)
lasglwyf (mutation mutation-soft)
nglasglwyf (mutation mutation-nasal)

From glas (“green”) + clwyf (“sickness”).


malltod

mall (“pestilence, blight”) + -dod (“-ness”).


tarddiant

tarddiannau (plural)
tarddiant (mutation mutation-radical)
darddiant (mutation mutation-soft)
nharddiant (mutation mutation-nasal)
tharddiant (mutation mutation-aspirate)

From tarddu (“to emerge, to spring”) + -iant.


glaswst

y laswst (canonical feminine)
glaswst (mutation mutation-radical)
laswst (mutation mutation-soft)
nglaswst (mutation mutation-nasal)


parddu tormaen

parddu tormaen (mutation mutation-radical)
barddu tormaen (mutation mutation-soft)
mharddu tormaen (mutation mutation-nasal)
pharddu tormaen (mutation mutation-aspirate)

parddu (“smut”) + tormaen (“saxifrage”).

(phytopathology) saxifrage smut (Entyloma chrysosplenii)


cawod goch tormaen

cawod goch tormaen (mutation mutation-radical)
gawod goch tormaen (mutation mutation-soft)
nghawod goch tormaen (mutation mutation-nasal)
chawod goch tormaen (mutation mutation-aspirate)

y gawod goch (“rust, red blight”) + tormaen (“saxifrage”).

(phytopathology) saxifrage rust (Melampsora vernalis)


cenfigen

cenfigennau (plural)
cenfigen (mutation mutation-radical)
genfigen (mutation mutation-soft)
nghenfigen (mutation mutation-nasal)
chenfigen (mutation mutation-aspirate)


cenfigennus

cy-adj

cenfigennus (feminine singular cenfigennus, plural cenfigennus, equative mor genfigennus, comparative mwy cenfigennus, superlative mwyaf cenfigennus)

cenfigennus (feminine singular)
cenfigennus (plural)
mor genfigennus (equative)
mwy cenfigennus (comparative)
mwyaf cenfigennus (superlative)
cenfigennus (mutation mutation-radical)
genfigennus (mutation mutation-soft)
nghenfigennus (mutation mutation-nasal)
chenfigennus (mutation mutation-aspirate)


mainc

meinciau (plural)
mainc (mutation mutation-radical)
fainc (mutation mutation-soft)

From Middle Welsh bainc, from Old English benċ.


Periwiad

cy-noun

Periwiad m or f by sense (plural Periwiaid)

Periwiaid (plural)
Periwiad (mutation mutation-radical)
Beriwiad (mutation mutation-soft)
Mheriwiad (mutation mutation-nasal)
Pheriwiad (mutation mutation-aspirate)


asgetig

cy-adj

asgetig (feminine singular asgetig, plural asgetig, equative mor asgetig, comparative mwy asgetig, superlative mwyaf asgetig)

asgetig (feminine singular)
asgetig (plural)
mor asgetig (equative)
mwy asgetig (comparative)
mwyaf asgetig (superlative)


asgetig

asgetigion (plural)
asgetig (mutation mutation-radical)
hasgetig (mutation prothesis-h)


banw

benywod (plural)
banw (mutation mutation-radical)
fanw (mutation mutation-soft)
manw (mutation mutation-nasal)

From Proto-Brythonic *banuyos. Doublet of benyw.


rhwd marchredyn

rhwd marchredyn (mutation mutation-radical)
rwd marchredyn (mutation mutation-soft)

(phytopathology) male fern rust Milesina carpatorum


chwilboeth

chwilboeth (feminine singular chwilboeth, plural chwilboeth, equative chwilboethed, comparative chwilboethach, superlative chwilboethaf, not mutable)

chwilboeth (feminine singular)
chwilboeth (plural)
chwilboethed (equative)
chwilboethach (comparative)
chwilboethaf (superlative)

From chwil (“staggering”) + poeth (“hot”).


diferion cig

diferion cig (mutation mutation-radical)
ddiferion cig (mutation mutation-soft)
niferion cig (mutation mutation-nasal)


llawrwydd

cy-noun

llawrwydd f (collective, singulative llawrwydden)

llawrwydden (singulative)
llawrwydd (mutation mutation-radical)
lawrwydd (mutation mutation-soft)

Latin laurus (“laurel, bay”) + gwŷdd (“trees”)

com

Laurus nobilis
Laurus nobilis#Translingual

laurel, bay (Laurus spp.) especially sweet bay (Laurus nobilis)


deufisol

cy-adj

deufisol (feminine singular deufisol, plural deufisol, not comparable)

deufisol (feminine singular)
deufisol (plural)

deu- (“bi-, two-”) + misol (“monthly”) or deufis (“period of two months”) + -ol.


newidyn

cy-noun

newidyn m (plural newidynnau, not mutable)

/nɛu̯ˈɪdɨ̞n/

/nɛu̯ˈɪdɨ̞n/


Hen Aifft

yr (“the”) + Hen (“old”) + Aifft (“Egypt”)


sylffad

cy-noun

sylffad m (plural sylffadau, not mutable)

Borrowed from English sulfate or sulphate. By surface analysis, sylff- (“sulf-”) + -ad (“-ate”).


hunanofal

sgiliau hunanofal


swyddwr

cy-noun

swyddwr m (plural swyddwyr, not mutable)


gofalwr

gofalwr m (plural gofalwyr, feminine gofalwraig)

gofalwyr (plural)
gofalwraig (feminine)
gofalwr (mutation mutation-radical)
ofalwr (mutation mutation-soft)
ngofalwr (mutation mutation-nasal)


gwarcheidwad

gwarcheidwad m (plural gwarcheidwaid, feminine gwarcheidwades)

gwarcheidwaid (plural)
gwarcheidwades (feminine)
gwarcheidwad (mutation mutation-radical)
warcheidwad (mutation mutation-soft)
ngwarcheidwad (mutation mutation-nasal)

From gwarchadw, gwarchod (“guard”) + -(i)ad.

gwarcheidwad i gyfreithio


fflworid

fflworid m (plural fflworidau, not mutable)

Borrowed from English fluoride, analysable as fflwor- (“fluor(o)-”) + -id (“ide”).


clor-

(organic chemistry) Alternative form of cloro- (“containing chlorine”), used before a vowel


fflwor-

(organic chemistry) Alternative form of fflworo- (“containing fluorine”), used before a vowel


fflworo-

(organic chemistry) fluoro- (containing fluorine)


clorid

Borrowed from English chloride, analysable as clor- (“chlor(o)-”) + -id (“ide”).


ffenoleg

cy-adj

ffenoleg (feminine singular ffenoleg, plural ffenoleg, not comparable, not mutable)

ffenoleg (feminine singular)
ffenoleg (plural)


ffenol

Borrowed from English phenol. By surface analysis, ffeno- (“pheno-”) + -ol


ffenolig

cy-adj

ffenolig (feminine singular ffenolig, plural ffenolig, not comparable, not mutable)

ffenolig (feminine singular)
ffenolig (plural)

Borrowed from English phenol. By surface analysis, ffenol + -ig.


rhusio

cy-verb

rhusio (first-person singular present rhusiaf)

rhusiaf (first-person present singular)
rhusiaf (first-person future indicative present singular)
rhusi (future indicative present second-person singular)
rhusia (future indicative present singular third-person)
rhusiwn (first-person future indicative plural present)
rhusiwch (future indicative plural present second-person)
rhusiant (future indicative plural present third-person)
rhusir (future impersonal indicative present)
rhusiwn (conditional first-person singular)
rhusiwn (first-person imperfect indicative singular)
rhusit (conditional second-person singular)
rhusit (imperfect indicative second-person singular)
rhusiai (conditional singular third-person)
rhusiai (imperfect indicative singular third-person)
rhusiem (conditional first-person plural)
rhusiem (first-person imperfect indicative plural)
rhusiech (conditional plural second-person)
rhusiech (imperfect indicative plural second-person)
rhusient (conditional plural third-person)
rhusient (imperfect indicative plural third-person)
rhusid (conditional impersonal)
rhusid (imperfect impersonal indicative)
rhusiais (first-person preterite singular)
rhusiaist (preterite second-person singular)
rhusiodd (preterite singular third-person)
rhusiasom (first-person plural preterite)
rhusiasoch (plural preterite second-person)
rhusiasant (plural preterite third-person)
rhusiwyd (impersonal preterite)
rhusiaswn (first-person pluperfect singular)
rhusiasit (pluperfect second-person singular)
rhusiasai (pluperfect singular third-person)
rhusiasem (first-person pluperfect plural)
rhusiasech (pluperfect plural second-person)
rhusiasent (pluperfect plural third-person)
rhusiasid (impersonal pluperfect)
rhusiesid (impersonal pluperfect)
rhusiwyf (first-person present singular subjunctive)
rhusiech (present second-person singular subjunctive)
rhusio (present singular subjunctive third-person)
rhusiom (first-person plural present subjunctive)
rhusioch (plural present second-person subjunctive)
rhusiont (plural present subjunctive third-person)
rhusier (impersonal present subjunctive)
rhusia (imperative second-person singular)
rhusied (imperative singular third-person)
rhusiwn (first-person imperative plural)
rhusiwch (imperative plural second-person)
rhusient (imperative plural third-person)
rhusier (imperative impersonal)
rhusio (noun-from-verb)
rhusiedig (participle)
rhusiadwy (participle)
rhusia i (first-person future singular)
rhusiaf i (first-person future singular)
rhusi di (future second-person singular)
rhusith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
rhusiff e (future singular third-person)
rhusiwn ni (first-person future plural)
rhusiwch chi (future plural second-person)
rhusian nhw (future plural third-person)
rhusiwn i (conditional first-person singular)
rhuswn i (conditional first-person singular)
rhusiet ti (conditional second-person singular)
rhuset ti (conditional second-person singular)
rhusiai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
rhusai fo (conditional singular third-person)
rhusien ni (conditional first-person plural)
rhusen ni (conditional first-person plural)
rhusiech chi (conditional plural second-person)
rhusech chi (conditional plural second-person)
rhusien nhw (conditional plural third-person)
rhusen nhw (conditional plural third-person)
rhusiais i (first-person preterite singular)
rhusies i (first-person preterite singular)
rhusiaist ti (preterite second-person singular)
rhusiest ti (preterite second-person singular)
rhusiodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
rhusion ni (first-person plural preterite)
rhusioch chi (plural preterite second-person)
rhusion nhw (plural preterite third-person)
rhusia (imperative second-person singular)
rhusiwch (imperative plural second-person)


nitradu

nitradu (first-person singular present nitradaf, not mutable)

nitradaf (first-person present singular)
nitradaf (first-person future indicative present singular)
nitredi (future indicative present second-person singular)
nitrada (future indicative present singular third-person)
nitradwn (first-person future indicative plural present)
nitredwch (future indicative plural present second-person)
nitradwch (future indicative plural present second-person)
nitradant (future indicative plural present third-person)
nitredir (future impersonal indicative present)
nitradwn (conditional first-person singular)
nitradwn (first-person imperfect indicative singular subjunctive)
nitradit (conditional second-person singular)
nitradit (imperfect indicative second-person singular subjunctive)
nitradai (conditional singular third-person)
nitradai (imperfect indicative singular subjunctive third-person)
nitradem (conditional first-person plural)
nitradem (first-person imperfect indicative plural subjunctive)
nitradech (conditional plural second-person)
nitradech (imperfect indicative plural second-person subjunctive)
nitradent (conditional plural third-person)
nitradent (imperfect indicative plural subjunctive third-person)
nitredid (conditional impersonal)
nitredid (imperfect impersonal indicative subjunctive)
nitredais (first-person preterite singular)
nitredaist (preterite second-person singular)
nitradodd (preterite singular third-person)
nitradasom (first-person plural preterite)
nitradasoch (plural preterite second-person)
nitradasant (plural preterite third-person)
nitradwyd (impersonal preterite)
nitradaswn (first-person pluperfect singular)
nitradasit (pluperfect second-person singular)
nitradasai (pluperfect singular third-person)
nitradasem (first-person pluperfect plural)
nitradasech (pluperfect plural second-person)
nitradasent (pluperfect plural third-person)
nitradasid (impersonal pluperfect)
nitradesid (impersonal pluperfect)
nitradwyf (first-person present singular subjunctive)
nitredych (present second-person singular subjunctive)
nitrado (present singular subjunctive third-person)
nitradom (first-person plural present subjunctive)
nitradoch (plural present second-person subjunctive)
nitradont (plural present subjunctive third-person)
nitrader (impersonal present subjunctive)
nitrada (imperative second-person singular)
nitraded (imperative singular third-person)
nitradwn (first-person imperative plural)
nitredwch (imperative plural second-person)
nitradwch (imperative plural second-person)
nitradent (imperative plural third-person)
nitrader (imperative impersonal)
nitradu (noun-from-verb)
nitradedig (participle)
nitradadwy (participle)
nitrada i (first-person future singular)
nitradaf i (first-person future singular)
nitradi di (future second-person singular)
nitradith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
nitradiff e (future singular third-person)
nitradwn ni (first-person future plural)
nitradwch chi (future plural second-person)
nitradan nhw (future plural third-person)
nitradwn i (conditional first-person singular)
nitradswn i (conditional first-person singular)
nitradet ti (conditional second-person singular)
nitradset ti (conditional second-person singular)
nitradai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
nitradsai fo (conditional singular third-person)
nitraden ni (conditional first-person plural)
nitradsen ni (conditional first-person plural)
nitradech chi (conditional plural second-person)
nitradsech chi (conditional plural second-person)
nitraden nhw (conditional plural third-person)
nitradsen nhw (conditional plural third-person)
nitradais i (first-person preterite singular)
nitrades i (first-person preterite singular)
nitradaist ti (preterite second-person singular)
nitradest ti (preterite second-person singular)
nitradodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
nitradon ni (first-person plural preterite)
nitradoch chi (plural preterite second-person)
nitradon nhw (plural preterite third-person)
nitrada (imperative second-person singular)
nitradwch (imperative plural second-person)


treulfwyd

treulfwyd (mutation mutation-radical)
dreulfwyd (mutation mutation-soft)
nhreulfwyd (mutation mutation-nasal)
threulfwyd (mutation mutation-aspirate)

From traul (“digestion”) + bwyd (“food”).


dicllon

cy-adj

dicllon (feminine singular dicllon, plural dicllon, unknown comparative)

dicllon (feminine singular)
dicllon (plural)
dicllon (mutation mutation-radical)
ddicllon (mutation mutation-soft)
nicllon (mutation mutation-nasal)


tridiau

tridiau (mutation mutation-radical)
dridiau (mutation mutation-soft)
nhridiau (mutation mutation-nasal)
thridiau (mutation mutation-aspirate)


ethanöig

ethanöig (feminine singular ethanöig, plural ethanöig, not comparable)

ethanöig (feminine singular)
ethanöig (plural)

By surface analysis, ethan (“ethane”) + -öig


bwtanöig

cy-adj

bwtanöig (feminine singular bwtanöig, plural bwtanöig, not comparable)

bwtanöig (feminine singular)
bwtanöig (plural)

By surface analysis, bwtan (“butane”) + -öig


pentanöig

cy-adj

pentanöig (feminine singular pentanöig, plural pentanöig, not comparable)

pentanöig (feminine singular)
pentanöig (plural)

By surface analysis, pentan (“pentane”) + -öig


propanöig

cy-adj

propanöig (feminine singular propanöig, plural propanöig, not comparable)

propanöig (feminine singular)
propanöig (plural)

By surface analysis, propan (“propane”) + -öig


fformig

cy-adj

fformig (feminine singular fformig, plural fformig, not comparable, not mutable)

fformig (feminine singular)
fformig (plural)

(organic chemistry) Synonym of methanöig (“methanoic”), formic


methanöig

methanöig (feminine singular methanöig, plural methanöig, not comparable)

methanöig (feminine singular)
methanöig (plural)

/ˌmɛθaˈnoː.ɪɡ/

From English methanoic. By surface analysis, methan (“methane”) + -öig.


hecsanöig

cy-adj

hecsanöig (feminine singular hecsanöig, plural hecsanöig, not comparable, not mutable)

hecsanöig (feminine singular)
hecsanöig (plural)

By surface analysis, hecsan (“hexane”) + -öig


asid methanöig

(organic chemistry) methanoic acid, formic acid.


capröig

cy-adj

capröig (feminine singular capröig, plural capröig, not comparable)

capröig (feminine singular)
capröig (plural)

Borrowed from English caproic. By surface analysis, Latin caper (“goat”) + -öig.

surface analysis

(organic chemistry) Synonym of hecsanöig (“hexanoic”), caproic


nitrus

cy-adj

nitrus (feminine singular nitrus, plural nitrus, not comparable, not mutable)

nitrus (feminine singular)
nitrus (plural)


sylff-

(organic chemistry) Alternative form of sylffo- (“containing sulfur”), used before a vowel


asid fformig

(organic chemistry) Synonym of asid methanöig (“methanoic acid”), formic acid


nitrig

nitrig (feminine singular nitrig, plural nitrig, not comparable, not mutable)

nitrig (feminine singular)
nitrig (plural)


sylffo-

(organic chemistry) sulfo- (containing sulfur)


bwtylamin

Adapted from English butylamine. By surface analysis, bwtyl- + -amin.


cleddyf cam

cleddyfau cam (plural)
cleddyf cam (mutation mutation-radical)
gleddyf cam (mutation mutation-soft)
nghleddyf cam (mutation mutation-nasal)
chleddyf cam (mutation mutation-aspirate)


propylamin

Adapted from English propylamine. By surface analysis, propyl- + -amin.


methylamin

Adapted from English methylamine. By surface analysis, methyl- + -amin.


plât rhifau

platiau rhifau (plural)
plât rhifau (mutation mutation-radical)
blât rhifau (mutation mutation-soft)
mhlât rhifau (mutation mutation-nasal)
phlât rhifau (mutation mutation-aspirate)


nitrobensen

Adapted from English nitrobenzene. By surface analysis, nitro- + bensen

(organic chemistry) nitrobenzene (aromatic compound C₆H₅NO₂)


ethylamin

Adapted from English ethylamine. By surface analysis, ethyl- + -amin.


asetig

asetig (feminine singular asetig, plural asetig, not comparable)

asetig (feminine singular)
asetig (plural)

(organic chemistry) Synonym of ethanöig (“ethanoic”), acetic


fformiwla

cy-noun

fformiwla f (plural fformiwlâu, not mutable)


fformiwla foleciwlaidd

fformiwla foleciwlaidd f (plural fformiwlâu moleciwlaidd, not mutable)


moleciwl

moleciwlau (plural)
moleciwl (mutation mutation-radical)
foleciwl (mutation mutation-soft)


moleciwlaidd

cy-adj

moleciwlaidd (feminine singular moleciwlaidd, plural moleciwlaidd, not comparable)

moleciwlaidd (feminine singular)
moleciwlaidd (plural)
moleciwlaidd (mutation mutation-radical)
foleciwlaidd (mutation mutation-soft)

Adapted from English molecular. By surface analysis, moleciwl (“molecule”) + -aidd.


fformiwla adeileddol

cy-noun

fformiwla adeileddol f (plural fformiwlâu adeileddol, not mutable)


isomer adeileddol

isomer adeileddol m (plural isomerau adeileddol)


isomer optegol

isomer optegol m (plural isomerau optegol)


isomeredd adeileddol

structural isomerism
structural isomerism


morfil walbon

morfil walbon m (plural morfilod walbon)

morfilod walbon (plural)
morfil walbon (mutation mutation-radical)
forfil walbon (mutation mutation-soft)

(marine biology) baleen whale (Mysticeti)


morfil danheddog

morfil danheddog m (plural morfilod danheddog or morfilod danheddogion)

morfilod danheddog (plural)
morfilod danheddogion (plural)
morfil danheddog (mutation mutation-radical)
forfil danheddog (mutation mutation-soft)

(marine biology) toothed whale (Odontoceti)


esteriad

esteriadau (plural)
esteriad (mutation mutation-radical)
hesteriad (mutation prothesis-h)


morfil balîn

morfilod balîn (plural)
morfil balîn (mutation mutation-radical)
forfil balîn (mutation mutation-soft)


gôl adlam

goliau adlam (plural)
gôl adlam (mutation mutation-radical)
ngôl adlam (irregular mutation mutation-nasal)


clorus

cy-adj

clorus (feminine singular clorus, plural clorus, not comparable)

clorus (feminine singular)
clorus (plural)


gôl gosb

goliau gosb (plural)
gôl gosb (mutation mutation-radical)
ngôl gosb (irregular mutation mutation-nasal)


clorig

clorig (feminine singular clorig, plural clorig, not comparable)

clorig (feminine singular)
clorig (plural)


esteru

cy-verb

esteru (first-person singular present esteraf)

esteraf (first-person present singular)
esteraf (first-person future indicative present singular)
esteri (future indicative present second-person singular)
estera (future indicative present singular third-person)
esterwn (first-person future indicative plural present)
esterwch (future indicative plural present second-person)
esterant (future indicative plural present third-person)
esterir (future impersonal indicative present)
esterwn (conditional first-person singular)
esterwn (first-person imperfect indicative singular subjunctive)
esterit (conditional second-person singular)
esterit (imperfect indicative second-person singular subjunctive)
esterai (conditional singular third-person)
esterai (imperfect indicative singular subjunctive third-person)
esterem (conditional first-person plural)
esterem (first-person imperfect indicative plural subjunctive)
esterech (conditional plural second-person)
esterech (imperfect indicative plural second-person subjunctive)
esterent (conditional plural third-person)
esterent (imperfect indicative plural subjunctive third-person)
esterid (conditional impersonal)
esterid (imperfect impersonal indicative subjunctive)
esterais (first-person preterite singular)
esteraist (preterite second-person singular)
esterodd (preterite singular third-person)
esterasom (first-person plural preterite)
esterasoch (plural preterite second-person)
esterasant (plural preterite third-person)
esterwyd (impersonal preterite)
esteraswn (first-person pluperfect singular)
esterasit (pluperfect second-person singular)
esterasai (pluperfect singular third-person)
esterasem (first-person pluperfect plural)
esterasech (pluperfect plural second-person)
esterasent (pluperfect plural third-person)
esterasid (impersonal pluperfect)
esteresid (impersonal pluperfect)
esterwyf (first-person present singular subjunctive)
esterych (present second-person singular subjunctive)
estero (present singular subjunctive third-person)
esterom (first-person plural present subjunctive)
esteroch (plural present second-person subjunctive)
esteront (plural present subjunctive third-person)
esterer (impersonal present subjunctive)
estera (imperative second-person singular)
estered (imperative singular third-person)
esterwn (first-person imperative plural)
esterwch (imperative plural second-person)
esterent (imperative plural third-person)
esterer (imperative impersonal)
esteru (noun-from-verb)
esteredig (participle)
esteradwy (participle)
estera i (first-person future singular)
esteraf i (first-person future singular)
esteri di (future second-person singular)
esterith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
esteriff e (future singular third-person)
esterwn ni (first-person future plural)
esterwch chi (future plural second-person)
esteran nhw (future plural third-person)
esterwn i (conditional first-person singular)
esterswn i (conditional first-person singular)
esteret ti (conditional second-person singular)
esterset ti (conditional second-person singular)
esterai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
estersai fo (conditional singular third-person)
esteren ni (conditional first-person plural)
estersen ni (conditional first-person plural)
esterech chi (conditional plural second-person)
estersech chi (conditional plural second-person)
esteren nhw (conditional plural third-person)
estersen nhw (conditional plural third-person)
esterais i (first-person preterite singular)
esteres i (first-person preterite singular)
esteraist ti (preterite second-person singular)
esterest ti (preterite second-person singular)
esterodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
esteron ni (first-person plural preterite)
esteroch chi (plural preterite second-person)
esteron nhw (plural preterite third-person)
estera (imperative second-person singular)
esterwch (imperative plural second-person)
esteru (mutation mutation-radical)
hesteru (mutation prothesis-h)

(organic chemistry, transitive) to esterify


asid ethanöig

(organic chemistry) ethanoic acid, acetic acid.


clorobensen

Adapted from English chlorobenzene. By surface analysis, cloro- + bensen


asid asetig

(organic chemistry) Synonym of asid ethanöig (“ethanoic acid”), acetic acid


asid glyserig

(organic chemistry, biochemistry) glyceric acid


carbocsylig

cy-adj

carbocsylig (feminine singular carbocsylig, plural carbocsylig, not comparable)

carbocsylig (feminine singular)
carbocsylig (plural)

Borrowed from English carboxylic. By surface analysis, carbocsyl + -ig.


asid carbocsylig

cy-noun

asid carbocsylig m (plural asidau carbocsylig or asid carbocsyligion)

asidau carbocsylig (plural)
asid carbocsyligion (plural)


asid brasterog

asid brasterog m (plural asidau brasterog or asid brasterogion)

asidau brasterog (plural)
asid brasterogion (plural)

(organic chemistry, biochemistry) fatty acid.


arian nitrad

(inorganic chemistry) silver nitrate, AgNO₃


electrwm

electrwm (mutation mutation-radical)
helectrwm (mutation prothesis-h)


bylchog

cy-adj

bylchog (feminine singular bylchog, plural bylchog, equative mor fylchog, comparative mwy bylchog, superlative mwyaf bylchog)

bylchog (feminine singular)
bylchog (plural)
mor fylchog (equative)
mwy bylchog (comparative)
mwyaf bylchog (superlative)
bylchog (mutation mutation-radical)
fylchog (mutation mutation-soft)
mylchog (mutation mutation-nasal)

(architecture) crenellated, having battlements


osgiliad

osgiadedau (plural)
osgiliad (mutation mutation-radical)
hosgiliad (mutation prothesis-h)

Back-formation from osgiliadu (“to oscillate”).


osgled

osgledau (plural)
osgled (mutation mutation-radical)
hosgled (mutation prothesis-h)

osg (“sloping object”) + lled (“width”).


diffeithdir

diffeithdiroedd (plural)
diffeithdir (mutation mutation-radical)
ddiffeithdir (mutation mutation-soft)
niffeithdir (mutation mutation-nasal)

From diffaith (“desolate, barren”) + tir (“land”).


papur lapio

wrapping paper (for parcels, presents, etc.)


fowt

From Middle Welsh uot, from Middle English vaute, from Old French volte, from Latin voluta.


claddedigaeth

cy-noun

claddedigaeth m or f (plural claddedigaethau)

claddedigaethau (plural)
claddedigaeth (mutation mutation-radical)
gladdedigaeth (mutation mutation-soft)
nghladdedigaeth (mutation mutation-nasal)
chladdedigaeth (mutation mutation-aspirate)


llydanddail

cy-adj

llydanddail (feminine singular llydanddail, plural llydanddail, not comparable)

llydanddail (feminine singular)
llydanddail (plural)
llydanddail (mutation mutation-radical)
lydanddail (mutation mutation-soft)

(botany) broad-leaved, having broad leaves


twymyn goch

y dwymyn goch (canonical feminine)
twymyn goch (mutation mutation-radical)
dwymyn goch (mutation mutation-soft)
nhwymyn goch (mutation mutation-nasal)
thwymyn goch (mutation mutation-aspirate)


cefnwr

cefnwyr (plural)
cefnwr (mutation mutation-radical)
gefnwr (mutation mutation-soft)
nghefnwr (mutation mutation-nasal)
chefnwr (mutation mutation-aspirate)


ffyrling

cy-noun

ffyrling f (plural ffyrlingod or ffyrlingiau, not mutable)

ffyrlingod (plural)
ffyrlingiau (plural)
ffyrling (mutation mutation-radical)


nifwl

nifwl m (plural nifylau or nifylion or nifwlion, not mutable)

nifylau (plural)
nifylion (plural)
nifwlion (plural)
nifwl (mutation mutation-radical)


rhuddlaswyn

cy-adj

rhuddlaswyn (feminine singular rhuddlaswyn, plural rhuddlaswynion, equative rhuddlaswyned, comparative rhuddlaswynach, superlative rhuddlaswynaf)

rhuddlaswyn (feminine singular)
rhuddlaswynion (plural)
rhuddlaswyned (equative)
rhuddlaswynach (comparative)
rhuddlaswynaf (superlative)
rhuddlaswyn (mutation mutation-radical)
ruddlaswyn (mutation mutation-soft)


bara a chaws

bara a chaws (mutation mutation-radical)
fara a chaws (mutation mutation-soft)
mara a chaws (mutation mutation-nasal)

bread-and-cheese, hawthorn leaves (as food)


chwibanogl

cy-noun

chwibanogl f (plural chwibanoglau or chwibenygl, not mutable)

chwibanoglau (plural)
chwibenygl (plural)

From chwibanog (“whistling”) + -l (“instrument suffix”).


chwibanu

cy-verb

chwibanu (first-person singular present chwibanaf, not mutable)

chwibanaf (first-person present singular)
chwibanaf (first-person future indicative present singular)
chwibani (future indicative present second-person singular)
chwiban (future indicative present singular third-person)
chwibana (future indicative present singular third-person)
chwibanwn (first-person future indicative plural present)
chwibanwch (future indicative plural present second-person)
chwibanant (future indicative plural present third-person)
chwibanir (future impersonal indicative present)
chwibanwn (conditional first-person singular)
chwibanwn (first-person imperfect indicative singular subjunctive)
chwibanit (conditional second-person singular)
chwibanit (imperfect indicative second-person singular subjunctive)
chwibanai (conditional singular third-person)
chwibanai (imperfect indicative singular subjunctive third-person)
chwibanem (conditional first-person plural)
chwibanem (first-person imperfect indicative plural subjunctive)
chwibanech (conditional plural second-person)
chwibanech (imperfect indicative plural second-person subjunctive)
chwibanent (conditional plural third-person)
chwibanent (imperfect indicative plural subjunctive third-person)
chwibanid (conditional impersonal)
chwibanid (imperfect impersonal indicative subjunctive)
chwibanais (first-person preterite singular)
chwibanaist (preterite second-person singular)
chwibanodd (preterite singular third-person)
chwibanasom (first-person plural preterite)
chwibanasoch (plural preterite second-person)
chwibanasant (plural preterite third-person)
chwibanwyd (impersonal preterite)
chwibanaswn (first-person pluperfect singular)
chwibanasit (pluperfect second-person singular)
chwibanasai (pluperfect singular third-person)
chwibanasem (first-person pluperfect plural)
chwibanasech (pluperfect plural second-person)
chwibanasent (pluperfect plural third-person)
chwibanasid (impersonal pluperfect)
chwibanesid (impersonal pluperfect)
chwibanwyf (first-person present singular subjunctive)
chwibanych (present second-person singular subjunctive)
chwibano (present singular subjunctive third-person)
chwibanom (first-person plural present subjunctive)
chwibanoch (plural present second-person subjunctive)
chwibanont (plural present subjunctive third-person)
chwibaner (impersonal present subjunctive)
chwiban (imperative second-person singular)
chwibana (imperative second-person singular)
chwibaned (imperative singular third-person)
chwibanwn (first-person imperative plural)
chwibanwch (imperative plural second-person)
chwibanent (imperative plural third-person)
chwibaner (imperative impersonal)
chwibanu (noun-from-verb)
chwibanedig (participle)
chwibanadwy (participle)
chwibana i (first-person future singular)
chwibanaf i (first-person future singular)
chwibani di (future second-person singular)
chwibanith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
chwibaniff e (future singular third-person)
chwibanwn ni (first-person future plural)
chwibanwch chi (future plural second-person)
chwibanan nhw (future plural third-person)
chwibanwn i (conditional first-person singular)
chwibanswn i (conditional first-person singular)
chwibanet ti (conditional second-person singular)
chwibanset ti (conditional second-person singular)
chwibanai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
chwibansai fo (conditional singular third-person)
chwibanen ni (conditional first-person plural)
chwibansen ni (conditional first-person plural)
chwibanech chi (conditional plural second-person)
chwibansech chi (conditional plural second-person)
chwibanen nhw (conditional plural third-person)
chwibansen nhw (conditional plural third-person)
chwibanais i (first-person preterite singular)
chwibanes i (first-person preterite singular)
chwibanaist ti (preterite second-person singular)
chwibanest ti (preterite second-person singular)
chwibanodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
chwibanon ni (first-person plural preterite)
chwibanoch chi (plural preterite second-person)
chwibanon nhw (plural preterite third-person)
chwibana (imperative second-person singular)
chwibanwch (imperative plural second-person)


deallusrwydd

deallusrwydd (mutation mutation-radical)
ddeallusrwydd (mutation mutation-soft)
neallusrwydd (mutation mutation-nasal)


damcaniaeth hysbysrwydd

damcaniaeth hysbysrwydd (mutation mutation-radical)
ddamcaniaeth hysbysrwydd (mutation mutation-soft)
namcaniaeth hysbysrwydd (mutation mutation-nasal)


deallusrwydd artiffisial

cy-noun

deallusrwydd artiffisial m (uncountable)

deallusrwydd artiffisial (mutation mutation-radical)
ddeallusrwydd artiffisial (mutation mutation-soft)
neallusrwydd artiffisial (mutation mutation-nasal)

artificial intelligence
artificial intelligence


eilrif

eilrifau (plural)
eilrif (mutation mutation-radical)
heilrif (mutation prothesis-h)


odrif

odrifau (plural)
odrif (mutation mutation-radical)
hodrif (mutation prothesis-h)


byreiriog

cy-adj

byreiriog (feminine singular byreiriog, plural byreiriog, equative mor fyreiriog, comparative mwy byreiriog, superlative mwyaf byreiriog)

byreiriog (feminine singular)
byreiriog (plural)
mor fyreiriog (equative)
mwy byreiriog (comparative)
mwyaf byreiriog (superlative)
byreiriog (mutation mutation-radical)
fyreiriog (mutation mutation-soft)
myreiriog (mutation mutation-nasal)


nofio broga

cy-noun

nofio broga m (uncountable, not mutable)


awdurdodydd

awdurdodydd m (plural awdurdodwyr, feminine awdurdodwraig)

awdurdodwyr (plural)
awdurdodwraig (feminine)
awdurdodydd (mutation mutation-radical)
hawdurdodydd (mutation prothesis-h)


rhwd

rhydau (plural)
rhwd (mutation mutation-radical)
rwd (mutation mutation-soft)

Perhaps from Proto-Celtic *rutu-, as in the placename Rutupiae.


manganad

Borrowed from English manganate. By surface analysis, mangan- (“mangan-”) + -ad (“-ate”).


ffosffad

cy-noun

ffosffad m (plural ffosffadau, not mutable)

Borrowed from English phosphate. By surface analysis, ffosff- (“phosph-”) + -ad (“-ate”).


glastwr

glastwr (mutation mutation-radical)
lastwr (mutation mutation-soft)
nglastwr (mutation mutation-nasal)


asideiddio

cy-verb

asideiddio (first-person singular present asideiddiaf)

asideiddiaf (first-person present singular)
asideiddiaf (first-person future indicative present singular)
asideiddi (future indicative present second-person singular)
asideiddia (future indicative present singular third-person)
asideiddiwn (first-person future indicative plural present)
asideiddiwch (future indicative plural present second-person)
asideiddiant (future indicative plural present third-person)
asideiddir (future impersonal indicative present)
asideiddiwn (conditional first-person singular)
asideiddiwn (first-person imperfect indicative singular)
asideiddit (conditional second-person singular)
asideiddit (imperfect indicative second-person singular)
asideiddiai (conditional singular third-person)
asideiddiai (imperfect indicative singular third-person)
asideiddiem (conditional first-person plural)
asideiddiem (first-person imperfect indicative plural)
asideiddiech (conditional plural second-person)
asideiddiech (imperfect indicative plural second-person)
asideiddient (conditional plural third-person)
asideiddient (imperfect indicative plural third-person)
asideiddid (conditional impersonal)
asideiddid (imperfect impersonal indicative)
asideiddiais (first-person preterite singular)
asideiddiaist (preterite second-person singular)
asideiddiodd (preterite singular third-person)
asideiddiasom (first-person plural preterite)
asideiddiasoch (plural preterite second-person)
asideiddiasant (plural preterite third-person)
asideiddiwyd (impersonal preterite)
asideiddiaswn (first-person pluperfect singular)
asideiddiasit (pluperfect second-person singular)
asideiddiasai (pluperfect singular third-person)
asideiddiasem (first-person pluperfect plural)
asideiddiasech (pluperfect plural second-person)
asideiddiasent (pluperfect plural third-person)
asideiddiasid (impersonal pluperfect)
asideiddiesid (impersonal pluperfect)
asideiddiwyf (first-person present singular subjunctive)
asideiddiech (present second-person singular subjunctive)
asideiddio (present singular subjunctive third-person)
asideiddiom (first-person plural present subjunctive)
asideiddioch (plural present second-person subjunctive)
asideiddiont (plural present subjunctive third-person)
asideiddier (impersonal present subjunctive)
asideiddia (imperative second-person singular)
asideiddied (imperative singular third-person)
asideiddiwn (first-person imperative plural)
asideiddiwch (imperative plural second-person)
asideiddient (imperative plural third-person)
asideiddier (imperative impersonal)
asideiddio (noun-from-verb)
asideiddiedig (participle)
asideiddedig (participle)
asideiddiadwy (participle)
asideiddadwy (participle)
asideiddia i (first-person future singular)
asideiddiaf i (first-person future singular)
asideiddi di (future second-person singular)
asideiddith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
asideiddiff e (future singular third-person)
asideiddiwn ni (first-person future plural)
asideiddiwch chi (future plural second-person)
asideiddian nhw (future plural third-person)
asideiddiwn i (conditional first-person singular)
asideiddswn i (conditional first-person singular)
asideiddiet ti (conditional second-person singular)
asideiddset ti (conditional second-person singular)
asideiddiai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
asideiddsai fo (conditional singular third-person)
asideiddien ni (conditional first-person plural)
asideiddsen ni (conditional first-person plural)
asideiddiech chi (conditional plural second-person)
asideiddsech chi (conditional plural second-person)
asideiddien nhw (conditional plural third-person)
asideiddsen nhw (conditional plural third-person)
asideiddiais i (first-person preterite singular)
asideiddies i (first-person preterite singular)
asideiddiaist ti (preterite second-person singular)
asideiddiest ti (preterite second-person singular)
asideiddiodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
asideiddion ni (first-person plural preterite)
asideiddioch chi (plural preterite second-person)
asideiddion nhw (plural preterite third-person)
asideiddia (imperative second-person singular)
asideiddiwch (imperative plural second-person)
asideiddio (mutation mutation-radical)
hasideiddio (mutation prothesis-h)

From asid (“acid”) + -eiddio or asidaidd (“acidic”) + -io.


croesryw

croes (“cross”) + rhyw (“species, breed”)


croesryw

cy-adj

croesryw (feminine singular croesryw, plural croesryw, equative mor groesryw, comparative mwy croesryw, superlative mwyaf croesryw)

croesryw (feminine singular)
croesryw (plural)
mor groesryw (equative)
mwy croesryw (comparative)
mwyaf croesryw (superlative)
croesryw (mutation mutation-radical)
groesryw (mutation mutation-soft)
nghroesryw (mutation mutation-nasal)
chroesryw (mutation mutation-aspirate)


cynddeiriog

cynddeiriog (feminine singular cynddeiriog, plural cynddeiriog, equative mor gynddeiriog, comparative mwy cynddeiriog, superlative mwyaf cynddeiriog)

cynddeiriog (feminine singular)
cynddeiriog (plural)
mor gynddeiriog (equative)
mwy cynddeiriog (comparative)
mwyaf cynddeiriog (superlative)


Dulyniad

Dulyniaid (plural)
Dulyniad (mutation mutation-radical)
Ddulyniad (mutation mutation-soft)
Nulyniad (mutation mutation-nasal)

Dubliner (native or inhabitant of Dublin)


seicolegydd

cy-noun

seicolegydd m or f (plural seicolegwyr, not mutable)

seicolegwyr (plural)
seicolegydd (mutation mutation-radical)


hunanladdiad

hunanladdiad m (plural hunanladdiadau, not mutable)

From hunan- (“self-”) + lladdiad (“killing”). Calque of English suicide.


paraseicoleg

paraseicoleg (mutation mutation-radical)
baraseicoleg (mutation mutation-soft)
mharaseicoleg (mutation mutation-nasal)
pharaseicoleg (mutation mutation-aspirate)


eiddo coll

eiddo coll (mutation mutation-radical)
heiddo coll (mutation prothesis-h)

From eiddo (“property”) + coll (“loss; lost”).

com

(law) lost property (misplaced articles)


hydrobromid

Internationalism based on English hydrobromide.

Mae’n llai tebygol o achosi syrthni na hyosin hydrobromid.

2020 September, Cymdeithas Clefyd Niwronau Echddygol, 7A – Problemau llyncu [7A – Swallowing difficulties], Northampton: Motor Neurone Disease Association, adran 2: “Sut gallaf reoli problemau gyda’r poer?” [section 2: “How can I manage difficulties with saliva?”], page 8:

It is less likely to cause drowsiness than hyoscine hydrobromide.

(organic chemistry) hydrobromide (compound of hydrobromic acid with an organic base)


gwyllgi

gwyllgwn (plural)
gwyllgi (mutation mutation-radical)
wyllgi (mutation mutation-soft)
ngwyllgi (mutation mutation-nasal)

Either from gwyll (“twilight”) + ci (“dog”) or a variant form of gwylltgi from gwyllt (“wild”) and ci (“dog”).

Ymhlith atyniadau'r amgueddfa bydd storïwr yn adrodd hanes y Gwyllgi, un o gŵn du llên werin Cymru.

2012 August 12, “Amgueddfa werin dros dro yn Wrecsam”, in Cymru Fyw, BBC:

Among the museum's attractions will be a storyteller telling the history of the Gwyllgi, one of the black dogs of Welsh folklore.

(mythology) A hellhound from Welsh folklore, appearing as a large black mastiff.


hudol

cy-adj

hudol (feminine singular hudol, plural hudol, equative mor hudol, comparative mwy hudol, superlative mwyaf hudol, not mutable)

hudol (feminine singular)
hudol (plural)
mor hudol (equative)
mwy hudol (comparative)
mwyaf hudol (superlative)


hudol

cy-noun

hudol m (plural hudoliaid or hudolion, feminine hudoles, not mutable)

hudoliaid (plural)
hudolion (plural)
hudoles (feminine)

A Pharao hefyd a alwodd am y doethion, a’r hudolion: a hwyntau hefyd [ſef] ſynwyꝛ yꝛ Aipht a wnaethant felly drwy eu ſwynion.

1588, William Morgan, transl., Y Beibl : Y Beibl cyssegr-lan, 1st edition, London: Humphrey Toy, Ail llyfr Moſes yr hwn a elwir Exodus 7:11:

And Pharaoh also called for the wise men and the sorcerors; and they also, the magicians of Egypt, did in like manner with their enchantments.


carfan

carfanau (plural)
carfannau (plural)
carfan (mutation mutation-radical)
garfan (mutation mutation-soft)
ngharfan (mutation mutation-nasal)
charfan (mutation mutation-aspirate)

Related to Breton karvan (“warp beam; jaw”) and Irish carbad (“chariot”).


modrydaf

modrydafau (plural)
modrydaf (mutation mutation-radical)
fodrydaf (mutation mutation-soft)

From *modr (“mother”) + bydaf (“swarm, nest of (wild) bees”)