tostio

cy-verb

tostio (first-person singular present tostiaf)

tostiaf (first-person present singular)
tostiaf (first-person future indicative present singular)
tosti (future indicative present second-person singular)
tostia (future indicative present singular third-person)
tostiwn (first-person future indicative plural present)
tostiwch (future indicative plural present second-person)
tostiant (future indicative plural present third-person)
tostir (future impersonal indicative present)
tostiwn (conditional first-person singular)
tostiwn (first-person imperfect indicative singular)
tostit (conditional second-person singular)
tostit (imperfect indicative second-person singular)
tostiai (conditional singular third-person)
tostiai (imperfect indicative singular third-person)
tostiem (conditional first-person plural)
tostiem (first-person imperfect indicative plural)
tostiech (conditional plural second-person)
tostiech (imperfect indicative plural second-person)
tostient (conditional plural third-person)
tostient (imperfect indicative plural third-person)
tostid (conditional impersonal)
tostid (imperfect impersonal indicative)
tostiais (first-person preterite singular)
tostiaist (preterite second-person singular)
tostiodd (preterite singular third-person)
tostiasom (first-person plural preterite)
tostiasoch (plural preterite second-person)
tostiasant (plural preterite third-person)
tostiwyd (impersonal preterite)
tostiaswn (first-person pluperfect singular)
tostiasit (pluperfect second-person singular)
tostiasai (pluperfect singular third-person)
tostiasem (first-person pluperfect plural)
tostiasech (pluperfect plural second-person)
tostiasent (pluperfect plural third-person)
tostiasid (impersonal pluperfect)
tostiesid (impersonal pluperfect)
tostiwyf (first-person present singular subjunctive)
tostiech (present second-person singular subjunctive)
tostio (present singular subjunctive third-person)
tostiom (first-person plural present subjunctive)
tostioch (plural present second-person subjunctive)
tostiont (plural present subjunctive third-person)
tostier (impersonal present subjunctive)
tostia (imperative second-person singular)
tostied (imperative singular third-person)
tostiwn (first-person imperative plural)
tostiwch (imperative plural second-person)
tostient (imperative plural third-person)
tostier (imperative impersonal)
tostio (noun-from-verb)
tostiedig (participle)
tostiadwy (participle)
tostia i (first-person future singular)
tostiaf i (first-person future singular)
tosti di (future second-person singular)
tostith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
tostiff e (future singular third-person)
tostiwn ni (first-person future plural)
tostiwch chi (future plural second-person)
tostian nhw (future plural third-person)
tostiwn i (conditional first-person singular)
tostswn i (conditional first-person singular)
tostiet ti (conditional second-person singular)
tostset ti (conditional second-person singular)
tostiai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
tostsai fo (conditional singular third-person)
tostien ni (conditional first-person plural)
tostsen ni (conditional first-person plural)
tostiech chi (conditional plural second-person)
tostsech chi (conditional plural second-person)
tostien nhw (conditional plural third-person)
tostsen nhw (conditional plural third-person)
tostiais i (first-person preterite singular)
tosties i (first-person preterite singular)
tostiaist ti (preterite second-person singular)
tostiest ti (preterite second-person singular)
tostiodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
tostion ni (first-person plural preterite)
tostioch chi (plural preterite second-person)
tostion nhw (plural preterite third-person)
tostia (imperative second-person singular)
tostiwch (imperative plural second-person)
tostio (mutation mutation-radical)
dostio (mutation mutation-soft)
nhostio (mutation mutation-nasal)
thostio (mutation mutation-aspirate)

cnau pin wedi'u tostio


twrban

twrbanau (plural)
twrbans (plural)
twrban (mutation mutation-radical)
dwrban (mutation mutation-soft)
nhwrban (mutation mutation-nasal)
thwrban (mutation mutation-aspirate)

From English turban, from Middle French turbant, from Italian turbante, from Ottoman Turkish دلبند (tülbent), from Persian دلبند (dolband), also the root of tiwlip.


danadl poethion

cy-noun

danadl poethion f (collective, singulative danhadlen boeth)

danhadlen boeth (singulative)
danadl poethion (mutation mutation-radical)
ddanadl poethion (mutation mutation-soft)
nanadl poethion (mutation mutation-nasal)

From danadl (“nettles”) + poeth (“hot, burning”).

com

Urtica dioica
Urtica dioica#Translingual

stinging nettles, common nettles Urtica dioica


danadl

cy-noun

danadl f (collective, singulative danhadlen)

danhadlen (singulative)
danadl (mutation mutation-radical)
ddanadl (mutation mutation-soft)
nanadl (mutation mutation-nasal)

From a Proto-Celtic *ninatis by dissimilation. Cognate with Cornish linas, Breton linad, Irish neantóg and Scottish Gaelic deanntag. The relation with Proto-Germanic *natǭ is unclear.

blodyn-Mihangel dail danadl

nettle-leaved Michaelmas-daisy, Aster schreberi

cawod goch danadl

nettle clustercup rust, Puccinia urticata

clychlys dail danadl

nettle-leaved bellflower, Campanula trachelium

danadl dail

yellow archangel, Lamiastrum galeobdolon

danadl poethion

stinging nettle, common nettle, Urtica dioica

pannog dail danadl

nettle-leaved mullein, Verbascum chaixii

troed-yr-ŵydd dail danadl

nettle-leaved goosefoot, Chenopodium murale


prif weinidog

prif weinidog m (plural prif weinidogion)

prif weinidogion (plural)
prif weinidog (mutation mutation-radical)
brif weinidog (mutation mutation-soft)
mhrif weinidog (mutation mutation-nasal)
phrif weinidog (mutation mutation-aspirate)


teml

temlau (plural)
temloedd (plural)
teml (mutation mutation-radical)
deml (mutation mutation-soft)
nheml (mutation mutation-nasal)
theml (mutation mutation-aspirate)

From Middle Welsh temhyl, from Proto-Brythonic *templ, from Latin templum.


deuddeg ar hugain

deuddeg ar hugain (mutation mutation-radical)
ddeuddeg ar hugain (mutation mutation-soft)
neuddeg ar hugain (mutation mutation-nasal)

/ˈdeɨ̯ðɛɡ ar ˈhɪɡai̯n/

/ˈdei̯ðɛɡ ar ˈhɪɡɛn/

From deuddeg (“twelve”) + ar (“on”) + ugain (“twenty”).


ystaen

Borrowed from Late Latin stagnum, or inherited from Proto-Brythonic *staɨn.


gwŷs

From Proto-Brythonic *gwɨs, from Proto-Celtic *wissus, from Proto-Indo-European *wéydtus, which is derived from *weyd- (“know, see”).


perchentyaeth

perchentyaeth (mutation mutation-radical)
berchentyaeth (mutation mutation-soft)
mherchentyaeth (mutation mutation-nasal)
pherchentyaeth (mutation mutation-aspirate)

/ˌpɛrχɛnˈtɨː.aɨ̯θ/

/ˌpɛrχɛnˈtɨː.ɛθ/

/ˌpɛrχɛnˈtiː.ɛθ/

(politics) distributism (notably as the ideology of Saunders Lewis)


cydbwysedd

cydbwysedd (mutation mutation-radical)
gydbwysedd (mutation mutation-soft)
nghydbwysedd (mutation mutation-nasal)
chydbwysedd (mutation mutation-aspirate)

/ˌkɨ̞dˈbʊɨ̯sɛð/

/ˌkɨ̞dˈbʊɨ̯sað/

/ˌkɪdˈbʊi̯sɛð/


trothwy

cy-noun

trothwy m (plural trothwyau or trothwyon)

trothwyau (plural)
trothwyon (plural)
trothwy (mutation mutation-radical)
drothwy (mutation mutation-soft)
nhrothwy (mutation mutation-nasal)
throthwy (mutation mutation-aspirate)


rhiniog

rhiniogau (plural)
rhiniog (mutation mutation-radical)
riniog (mutation mutation-soft)

Rebracketing of yr hiniog, from hin + -iog, from hin (“side, edge, border”).


amgylchu

cy-verb

amgylchu (first-person singular present amgylchaf)

amgylchaf (first-person present singular)
amgylchaf (first-person future indicative present singular)
amgylchi (future indicative present second-person singular)
amgylcha (future indicative present singular third-person)
amgylchwn (first-person future indicative plural present)
amgylchwch (future indicative plural present second-person)
amgylchant (future indicative plural present third-person)
amgylchir (future impersonal indicative present)
amgylchwn (conditional first-person singular)
amgylchwn (first-person imperfect indicative singular subjunctive)
amgylchit (conditional second-person singular)
amgylchit (imperfect indicative second-person singular subjunctive)
amgylchai (conditional singular third-person)
amgylchai (imperfect indicative singular subjunctive third-person)
amgylchem (conditional first-person plural)
amgylchem (first-person imperfect indicative plural subjunctive)
amgylchech (conditional plural second-person)
amgylchech (imperfect indicative plural second-person subjunctive)
amgylchent (conditional plural third-person)
amgylchent (imperfect indicative plural subjunctive third-person)
amgylchid (conditional impersonal)
amgylchid (imperfect impersonal indicative subjunctive)
amgylchais (first-person preterite singular)
amgylchaist (preterite second-person singular)
amgylchodd (preterite singular third-person)
amgylchasom (first-person plural preterite)
amgylchasoch (plural preterite second-person)
amgylchasant (plural preterite third-person)
amgylchwyd (impersonal preterite)
amgylchaswn (first-person pluperfect singular)
amgylchasit (pluperfect second-person singular)
amgylchasai (pluperfect singular third-person)
amgylchasem (first-person pluperfect plural)
amgylchasech (pluperfect plural second-person)
amgylchasent (pluperfect plural third-person)
amgylchasid (impersonal pluperfect)
amgylchesid (impersonal pluperfect)
amgylchwyf (first-person present singular subjunctive)
amgylchych (present second-person singular subjunctive)
amgylcho (present singular subjunctive third-person)
amgylchom (first-person plural present subjunctive)
amgylchoch (plural present second-person subjunctive)
amgylchont (plural present subjunctive third-person)
amgylcher (impersonal present subjunctive)
amgylcha (imperative second-person singular)
amgylched (imperative singular third-person)
amgylchwn (first-person imperative plural)
amgylchwch (imperative plural second-person)
amgylchent (imperative plural third-person)
amgylcher (imperative impersonal)
amgylchu (noun-from-verb)
amgylchedig (participle)
amgylchadwy (participle)
amgylcha i (first-person future singular)
amgylchaf i (first-person future singular)
amgylchi di (future second-person singular)
amgylchith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
amgylchiff e (future singular third-person)
amgylchwn ni (first-person future plural)
amgylchwch chi (future plural second-person)
amgylchan nhw (future plural third-person)
amgylchwn i (conditional first-person singular)
amgylchswn i (conditional first-person singular)
amgylchet ti (conditional second-person singular)
amgylchset ti (conditional second-person singular)
amgylchai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
amgylchsai fo (conditional singular third-person)
amgylchen ni (conditional first-person plural)
amgylchsen ni (conditional first-person plural)
amgylchech chi (conditional plural second-person)
amgylchsech chi (conditional plural second-person)
amgylchen nhw (conditional plural third-person)
amgylchsen nhw (conditional plural third-person)
amgylchais i (first-person preterite singular)
amgylches i (first-person preterite singular)
amgylchaist ti (preterite second-person singular)
amgylchest ti (preterite second-person singular)
amgylchodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
amgylchon ni (first-person plural preterite)
amgylchoch chi (plural preterite second-person)
amgylchon nhw (plural preterite third-person)
amgylcha (imperative second-person singular)
amgylchwch (imperative plural second-person)
amgylchu (mutation mutation-radical)
hamgylchu (mutation prothesis-h)

From amgylch (“circumference; perimeter”) + -u.


cemeg

cemeg (mutation mutation-radical)
gemeg (mutation mutation-soft)
nghemeg (mutation mutation-nasal)
chemeg (mutation mutation-aspirate)


cymunwr

cymunwyr (plural)
cymunwr (mutation mutation-radical)
gymunwr (mutation mutation-soft)
nghymunwr (mutation mutation-nasal)
chymunwr (mutation mutation-aspirate)

From cymuno (“to take Holy Communion”) + -wr.


cymundeb

cymundeb (mutation mutation-radical)
gymundeb (mutation mutation-soft)
nghymundeb (mutation mutation-nasal)
chymundeb (mutation mutation-aspirate)


cymun

cymun (mutation mutation-radical)
gymun (mutation mutation-soft)
nghymun (mutation mutation-nasal)
chymun (mutation mutation-aspirate)

From Middle Welsh kymun, from Proto-Brythonic *kumʉn, borrowed through Vulgar Latin or Ecclesiastical Latin from Latin commūniō (“communion”).


cymuno

cy-verb

cymuno (first-person singular present cymunaf)

cymunaf (first-person present singular)
cymunaf (first-person future indicative present singular)
cymuni (future indicative present second-person singular)
cymuna (future indicative present singular third-person)
cymunwn (first-person future indicative plural present)
cymunwch (future indicative plural present second-person)
cymunant (future indicative plural present third-person)
cymunir (future impersonal indicative present)
cymunwn (conditional first-person singular)
cymunwn (first-person imperfect indicative singular subjunctive)
cymunit (conditional second-person singular)
cymunit (imperfect indicative second-person singular subjunctive)
cymunai (conditional singular third-person)
cymunai (imperfect indicative singular subjunctive third-person)
cymunem (conditional first-person plural)
cymunem (first-person imperfect indicative plural subjunctive)
cymunech (conditional plural second-person)
cymunech (imperfect indicative plural second-person subjunctive)
cymunent (conditional plural third-person)
cymunent (imperfect indicative plural subjunctive third-person)
cymunid (conditional impersonal)
cymunid (imperfect impersonal indicative subjunctive)
cymunais (first-person preterite singular)
cymunaist (preterite second-person singular)
cymunodd (preterite singular third-person)
cymunasom (first-person plural preterite)
cymunasoch (plural preterite second-person)
cymunasant (plural preterite third-person)
cymunwyd (impersonal preterite)
cymunaswn (first-person pluperfect singular)
cymunasit (pluperfect second-person singular)
cymunasai (pluperfect singular third-person)
cymunasem (first-person pluperfect plural)
cymunasech (pluperfect plural second-person)
cymunasent (pluperfect plural third-person)
cymunasid (impersonal pluperfect)
cymunesid (impersonal pluperfect)
cymunwyf (first-person present singular subjunctive)
cymunych (present second-person singular subjunctive)
cymuno (present singular subjunctive third-person)
cymunom (first-person plural present subjunctive)
cymunoch (plural present second-person subjunctive)
cymunont (plural present subjunctive third-person)
cymuner (impersonal present subjunctive)
cymuna (imperative second-person singular)
cymuned (imperative singular third-person)
cymunwn (first-person imperative plural)
cymunwch (imperative plural second-person)
cymunent (imperative plural third-person)
cymuner (imperative impersonal)
cymuno (noun-from-verb)
cymunedig (participle)
cymunadwy (participle)
cymuna i (first-person future singular)
cymunaf i (first-person future singular)
cymuni di (future second-person singular)
cymunith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
cymuniff e (future singular third-person)
cymunwn ni (first-person future plural)
cymunwch chi (future plural second-person)
cymunan nhw (future plural third-person)
cymunwn i (conditional first-person singular)
cymunswn i (conditional first-person singular)
cymunet ti (conditional second-person singular)
cymunset ti (conditional second-person singular)
cymunai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
cymunsai fo (conditional singular third-person)
cymunen ni (conditional first-person plural)
cymunsen ni (conditional first-person plural)
cymunech chi (conditional plural second-person)
cymunsech chi (conditional plural second-person)
cymunen nhw (conditional plural third-person)
cymunsen nhw (conditional plural third-person)
cymunais i (first-person preterite singular)
cymunes i (first-person preterite singular)
cymunaist ti (preterite second-person singular)
cymunest ti (preterite second-person singular)
cymunodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
cymunon ni (first-person plural preterite)
cymunoch chi (plural preterite second-person)
cymunon nhw (plural preterite third-person)
cymuna (imperative second-person singular)
cymunwch (imperative plural second-person)
cymuno (mutation mutation-radical)
gymuno (mutation mutation-soft)
nghymuno (mutation mutation-nasal)
chymuno (mutation mutation-aspirate)


twca

twceiod (plural)
twca (mutation mutation-radical)
dwca (mutation mutation-soft)
nhwca (mutation mutation-nasal)
thwca (mutation mutation-aspirate)


mymryn

mymrynnau (plural)
mymryn (mutation mutation-radical)
fymryn (mutation mutation-soft)

From Proto-Brythonic *mɨmr (from Latin membrum (“member”)) + -yn.


traul

cy-noun

traul m or f (plural treuliau or treulion)

treuliau (plural)
treulion (plural)
traul (mutation mutation-radical)
draul (mutation mutation-soft)
nhraul (mutation mutation-nasal)
thraul (mutation mutation-aspirate)


cyfalafiaeth

cyfalafiaeth (mutation mutation-radical)
gyfalafiaeth (mutation mutation-soft)
nghyfalafiaeth (mutation mutation-nasal)
chyfalafiaeth (mutation mutation-aspirate)


comiwnyddiaeth

comiwnyddiaeth (mutation mutation-radical)
gomiwnyddiaeth (mutation mutation-soft)
nghomiwnyddiaeth (mutation mutation-nasal)
chomiwnyddiaeth (mutation mutation-aspirate)

/ˌkɔmɪu̯ˈnəðjaɨ̯θ/

/ˌkɔmɪu̯ˈnəðjɛθ/

/ˌkɔmɪu̯ˈnəðjai̯θ/

/ˌkɔmɪu̯ˈnəðjɛθ/


perchennog

perchennog m (plural perchnogion, feminine perchnoges)

perchnogion (plural)
perchnoges (feminine)
perchennog (mutation mutation-radical)
berchennog (mutation mutation-soft)
mherchennog (mutation mutation-nasal)
pherchennog (mutation mutation-aspirate)

From perchen + -og. Compare Middle Cornish perhennek for a parallel formation.


hyperleol

cy-adj

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

hyperleol (feminine singular)
hyperleol (plural)
hyperleol (mutation mutation-radical)

hyper + lleol (“local”), Partial calque of English hyperlocal.

(chiefly journalism and blogging) hyperlocal


ffagod

(vulgar, offensive, derogatory) faggot, a gay man


canolradd

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

canolradd (feminine singular)
canolradd (plural)
mor ganolradd (equative)
mwy canolradd (comparative)
mwyaf canolradd (superlative)
canolradd (mutation mutation-radical)
ganolradd (mutation mutation-soft)
nghanolradd (mutation mutation-nasal)
chanolradd (mutation mutation-aspirate)


ysmygwr

ysmygwyr (plural)
ysmygwr (mutation mutation-radical)
hysmygwr (mutation prothesis-h)


wncl

wncls (plural)
wncl (mutation mutation-radical)
hwncl (mutation prothesis-h)


ffag

(offensive, vulgar, derogatory, slur) fag, a gay man


siswrn

cy-noun

siswrn m (plural sisyrnau or siswrnau or siswrns, not mutable)

sisyrnau (plural)
siswrnau (plural)
siswrns (plural)

From Middle English sisours, from Old French cisoires. The -n is of unclear origin; perhaps the word is from a dialect of Middle English in which the plural suffix -en predominated over -s. At any rate, its use in this Welsh word is paralleled by other loanwords like masarn (“maple”) (from Old French masre), miswrn (“visor”), and pinsiwrn (“pincers”).

(pair of) scissors (tool used for cutting)


Llun

Llun (mutation mutation-radical)
Lun (mutation mutation-soft)


seidr

From Middle Welsh seidr, from Middle English sider, from Old French sidre (“beverage made from fermented apples”), from Medieval Latin sīcera, from Ancient Greek σίκερα (síkera, “fermented liquor, strong drink”), from Hebrew שֵׁכָר (šēḵār, “liquor”).


tiwtor

cy-noun

tiwtor m (plural tiwtoriaid or tiwtorion, feminine tiwtores)

tiwtoriaid (plural)
tiwtorion (plural)
tiwtores (feminine)
tiwtor (mutation mutation-radical)
diwtor (mutation mutation-soft)
nhiwtor (mutation mutation-nasal)
thiwtor (mutation mutation-aspirate)

From English tutor, from Middle English tutour, from Old French tuteur, from Latin tūtor (“a watcher, protector, guardian”).


Arnall

Arnall (mutation mutation-radical)
Harnall (mutation prothesis-h)

a male given name, variant of Arnallt, equivalent to English Arnold


sioe ffasiwn

cy-noun

sioe ffasiwn f (plural sioeau ffasiwn, not mutable)


sêl cist car

sêl cist car f (plural seli cist car or sêls cist car, not mutable)

seli cist car (plural)
sêls cist car (plural)


carioci

carioci (mutation mutation-radical)
garioci (mutation mutation-soft)
ngharioci (mutation mutation-nasal)
charioci (mutation mutation-aspirate)

From English karaoke, from Japanese カラオケ (karaoke).


ffasiwn

ffasiwn f (plural ffasiynau, not mutable)

From English fashion, from Middle English facioun, from Anglo-Norman fechoun from Latin factiō (“a making”), from faciō (“do, make”).


tagiad

tagiadau (plural)
tagiad (mutation mutation-radical)
dagiad (mutation mutation-soft)
nhagiad (mutation mutation-nasal)
thagiad (mutation mutation-aspirate)


llindag

llindag (mutation mutation-radical)
lindag (mutation mutation-soft)

(botany) dodder, strangleweed (plant of the genus Cuscuta)


traethiad

traethiadau (plural)
traethiad (mutation mutation-radical)
draethiad (mutation mutation-soft)
nhraethiad (mutation mutation-nasal)
thraethiad (mutation mutation-aspirate)


trawsblaniad

trawsblaniadau (plural)
trawsblaniad (mutation mutation-radical)
drawsblaniad (mutation mutation-soft)
nhrawsblaniad (mutation mutation-nasal)
thrawsblaniad (mutation mutation-aspirate)


nawnlin

nawnlin f (plural nawnlinau or nawnliniau, not mutable)


gogwyddiad

gogwyddiadau (plural)
gogwyddiad (mutation mutation-radical)
ogwyddiad (mutation mutation-soft)
ngogwyddiad (mutation mutation-nasal)


goleddfu

cy-verb

goleddfu (first-person singular present goleddfaf)

goleddfaf (first-person present singular)
goleddfu (mutation mutation-radical)
oleddfu (mutation mutation-soft)
ngoleddfu (mutation mutation-nasal)

From goleddf (“hillside, slope; slant, incline”) + -u.


lleddf

cy-adj

lleddf (feminine singular lleddf, plural lleddf, equative lleddfed, comparative lleddfach, superlative lleddfaf)

lleddf (feminine singular)
lleddf (plural)
lleddfed (equative)
lleddfach (comparative)
lleddfaf (superlative)
lleddf (mutation mutation-radical)
leddf (mutation mutation-soft)


cynanu

cy-verb

cynanu (first-person singular present cynanaf)

cynanaf (first-person present singular)
cynanaf (first-person future indicative present singular)
cyneni (future indicative present second-person singular)
cynana (future indicative present singular third-person)
cynanwn (first-person future indicative plural present)
cynenwch (future indicative plural present second-person)
cynanwch (future indicative plural present second-person)
cynanant (future indicative plural present third-person)
cynenir (future impersonal indicative present)
cynanwn (conditional first-person singular)
cynanwn (first-person imperfect indicative singular subjunctive)
cynanit (conditional second-person singular)
cynanit (imperfect indicative second-person singular subjunctive)
cynanai (conditional singular third-person)
cynanai (imperfect indicative singular subjunctive third-person)
cynanem (conditional first-person plural)
cynanem (first-person imperfect indicative plural subjunctive)
cynanech (conditional plural second-person)
cynanech (imperfect indicative plural second-person subjunctive)
cynanent (conditional plural third-person)
cynanent (imperfect indicative plural subjunctive third-person)
cynenid (conditional impersonal)
cynenid (imperfect impersonal indicative subjunctive)
cynenais (first-person preterite singular)
cynenaist (preterite second-person singular)
cynanodd (preterite singular third-person)
cynanasom (first-person plural preterite)
cynanasoch (plural preterite second-person)
cynanasant (plural preterite third-person)
cynanwyd (impersonal preterite)
cynanaswn (first-person pluperfect singular)
cynanasit (pluperfect second-person singular)
cynanasai (pluperfect singular third-person)
cynanasem (first-person pluperfect plural)
cynanasech (pluperfect plural second-person)
cynanasent (pluperfect plural third-person)
cynanasid (impersonal pluperfect)
cynanesid (impersonal pluperfect)
cynanwyf (first-person present singular subjunctive)
cynenych (present second-person singular subjunctive)
cynano (present singular subjunctive third-person)
cynanom (first-person plural present subjunctive)
cynanoch (plural present second-person subjunctive)
cynanont (plural present subjunctive third-person)
cynaner (impersonal present subjunctive)
cynana (imperative second-person singular)
cynaned (imperative singular third-person)
cynanwn (first-person imperative plural)
cynenwch (imperative plural second-person)
cynanwch (imperative plural second-person)
cynanent (imperative plural third-person)
cynaner (imperative impersonal)
cynanu (noun-from-verb)
cynanedig (participle)
cynanadwy (participle)
cynana i (first-person future singular)
cynanaf i (first-person future singular)
cynani di (future second-person singular)
cynanith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
cynaniff e (future singular third-person)
cynanwn ni (first-person future plural)
cynanwch chi (future plural second-person)
cynanan nhw (future plural third-person)
cynanwn i (conditional first-person singular)
cynanswn i (conditional first-person singular)
cynanet ti (conditional second-person singular)
cynanset ti (conditional second-person singular)
cynanai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
cynansai fo (conditional singular third-person)
cynanen ni (conditional first-person plural)
cynansen ni (conditional first-person plural)
cynanech chi (conditional plural second-person)
cynansech chi (conditional plural second-person)
cynanen nhw (conditional plural third-person)
cynansen nhw (conditional plural third-person)
cynanais i (first-person preterite singular)
cynanes i (first-person preterite singular)
cynanaist ti (preterite second-person singular)
cynanest ti (preterite second-person singular)
cynanodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
cynanon ni (first-person plural preterite)
cynanoch chi (plural preterite second-person)
cynanon nhw (plural preterite third-person)
cynana (imperative second-person singular)
cynanwch (imperative plural second-person)
cynanu (mutation mutation-radical)
gynanu (mutation mutation-soft)
nghynanu (mutation mutation-nasal)
chynanu (mutation mutation-aspirate)

From cynnan (“ready, fluent, eloquent, witty; clear, melodious, loud, praiseworthy; whole, complete”) + -u.


tiriogaeth

tiriogaethau (plural)
tiriogaeth (mutation mutation-radical)
diriogaeth (mutation mutation-soft)
nhiriogaeth (mutation mutation-nasal)
thiriogaeth (mutation mutation-aspirate)


awra

awrâu (plural)
awra (mutation mutation-radical)
hawra (mutation prothesis-h)

From Latin aura, from Ancient Greek αὔρᾱ (aúrā).

aura (distinctive atmosphere; invisible force)


goddaith

goddeithiau (plural)
goddaith (mutation mutation-radical)
oddaith (mutation mutation-soft)
ngoddaith (mutation mutation-nasal)

(figurative) blaze of colour, brighness, snow, sunburst


warden traffig

cy-noun

warden traffig m (plural wardeniaid traffig or wardeiniaid traffig, not mutable)

wardeniaid traffig (plural)
wardeiniaid traffig (plural)


Arthog

Arthog (mutation mutation-radical)
Harthog (mutation prothesis-h)


llysieuol

cy-adj

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

llysieuol (feminine singular)
llysieuol (plural)
mor llysieuol (equative)
mwy llysieuol (comparative)
mwyaf llysieuol (superlative)
llysieuol (mutation mutation-radical)
lysieuol (mutation mutation-soft)

/ɬəˈʃeɨ̯.ɔl/

/ɬəˈʃei̯.ɔl/


fflat

cy-noun

fflat m (plural fflatiau or fflats, not mutable)


Seisnig

cy-adj

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

Seisnig (feminine singular)
Seisnig (plural)

English, pertaining to England (but not the language)


offeryn cerdd

cy-noun

offeryn cerdd m (plural offerynnau cerdd)

offerynnau cerdd (plural)
offeryn cerdd (mutation mutation-radical)
hofferyn cerdd (mutation prothesis-h)

/ɔˌfɛrɨ̞n ˈkɛrð/

/ɔˌfɛrɨ̞ŋ ˈkɛrð/

/ɔˌfɛrɪn ˈkɛrð/

/ɔˌfeːrɪŋ ˈkɛrð/

/ɔˌfɛrɪŋ ˈkɛrð/


calch

calchoedd (plural)
calch (mutation mutation-radical)
galch (mutation mutation-soft)
nghalch (mutation mutation-nasal)
chalch (mutation mutation-aspirate)

From Middle Welsh calch, from Proto-Brythonic *kalx, from Latin calx (“lime”).


ffidil

ffidil f (plural ffidils or ffidilau, not mutable)


offeryn

offerynnau (plural)
offeryn (mutation mutation-radical)
hofferyn (mutation prothesis-h)


trombôn

trombonau (plural)
trombôn (mutation mutation-radical)
drombôn (mutation mutation-soft)
nhrombôn (mutation mutation-nasal)
thrombôn (mutation mutation-aspirate)


Emyr

Emyr (mutation mutation-radical)
Hemyr (mutation prothesis-h)


chwedeg

(cardinal number) Nonstandard spelling of chwe deg.


pum deg

pumdegau (plural)
pum deg (mutation mutation-radical)
bum deg (mutation mutation-soft)
mhum deg (mutation mutation-nasal)
phum deg (mutation mutation-aspirate)


Sbaenes

Sbaenes f (plural Sbaenesau, not mutable)


Sbaenwr

Sbaenwr m (plural Sbaenwyr, not mutable)


treulio

cy-verb

treulio (first-person singular present treuliaf)

treuliaf (first-person present singular)
treuliaf (first-person future indicative present singular)
treuli (future indicative present second-person singular)
treulia (future indicative present singular third-person)
treuliwn (first-person future indicative plural present)
treuliwch (future indicative plural present second-person)
treuliant (future indicative plural present third-person)
treulir (future impersonal indicative present)
treuliwn (conditional first-person singular)
treuliwn (first-person imperfect indicative singular)
treulit (conditional second-person singular)
treulit (imperfect indicative second-person singular)
treuliai (conditional singular third-person)
treuliai (imperfect indicative singular third-person)
treuliem (conditional first-person plural)
treuliem (first-person imperfect indicative plural)
treuliech (conditional plural second-person)
treuliech (imperfect indicative plural second-person)
treulient (conditional plural third-person)
treulient (imperfect indicative plural third-person)
treulid (conditional impersonal)
treulid (imperfect impersonal indicative)
treuliais (first-person preterite singular)
treuliaist (preterite second-person singular)
treuliodd (preterite singular third-person)
treuliasom (first-person plural preterite)
treuliasoch (plural preterite second-person)
treuliasant (plural preterite third-person)
treuliwyd (impersonal preterite)
treuliaswn (first-person pluperfect singular)
treuliasit (pluperfect second-person singular)
treuliasai (pluperfect singular third-person)
treuliasem (first-person pluperfect plural)
treuliasech (pluperfect plural second-person)
treuliasent (pluperfect plural third-person)
treuliasid (impersonal pluperfect)
treuliesid (impersonal pluperfect)
treuliwyf (first-person present singular subjunctive)
treuliech (present second-person singular subjunctive)
treulio (present singular subjunctive third-person)
treuliom (first-person plural present subjunctive)
treulioch (plural present second-person subjunctive)
treuliont (plural present subjunctive third-person)
treulier (impersonal present subjunctive)
treulia (imperative second-person singular)
treulied (imperative singular third-person)
treuliwn (first-person imperative plural)
treuliwch (imperative plural second-person)
treulient (imperative plural third-person)
treulier (imperative impersonal)
treulio (noun-from-verb)
treuliedig (participle)
treuliadwy (participle)
treulia i (first-person future singular)
treuliaf i (first-person future singular)
treuli di (future second-person singular)
treulith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
treuliff e (future singular third-person)
treuliwn ni (first-person future plural)
treuliwch chi (future plural second-person)
treulian nhw (future plural third-person)
treuliwn i (conditional first-person singular)
treulswn i (conditional first-person singular)
treuliet ti (conditional second-person singular)
treulset ti (conditional second-person singular)
treuliai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
treulsai fo (conditional singular third-person)
treulien ni (conditional first-person plural)
treulsen ni (conditional first-person plural)
treuliech chi (conditional plural second-person)
treulsech chi (conditional plural second-person)
treulien nhw (conditional plural third-person)
treulsen nhw (conditional plural third-person)
treuliais i (first-person preterite singular)
treulies i (first-person preterite singular)
treuliaist ti (preterite second-person singular)
treuliest ti (preterite second-person singular)
treuliodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
treulion ni (first-person plural preterite)
treulioch chi (plural preterite second-person)
treulion nhw (plural preterite third-person)
treulia (imperative second-person singular)
treuliwch (imperative plural second-person)
treulio (mutation mutation-radical)
dreulio (mutation mutation-soft)
nhreulio (mutation mutation-nasal)
threulio (mutation mutation-aspirate)

llwybr treulio


ysgol gyfun

ysgolion cyfun (plural)
ysgol gyfun (mutation mutation-radical)
hysgol gyfun (mutation prothesis-h)

comprehensive school
comprehensive school


addysg bellach

addysg bellach (mutation mutation-radical)
haddysg bellach (mutation prothesis-h)


addysg uwch

addysg uwch (mutation mutation-radical)
haddysg uwch (mutation prothesis-h)


gwaith cartref

gwaith cartref (mutation mutation-radical)
waith cartref (mutation mutation-soft)
ngwaith cartref (mutation mutation-nasal)

homework (schoolwork that is done at home)


pren mesur

prennau mesur (plural)
pren mesur (mutation mutation-radical)
bren mesur (mutation mutation-soft)
mhren mesur (mutation mutation-nasal)
phren mesur (mutation mutation-aspirate)


addysg gynradd

addysg gynradd (mutation mutation-radical)
haddysg gynradd (mutation prothesis-h)


technegydd

cy-noun

technegydd m (plural technegyddion, feminine technegyddes)

technegyddion (plural)
technegyddes (feminine)
technegydd (mutation mutation-radical)
dechnegydd (mutation mutation-soft)
nhechnegydd (mutation mutation-nasal)
thechnegydd (mutation mutation-aspirate)

/tɛχˈnɛɡɨ̞ð/


uwchradd

uwchraddau (plural)
uwchradd (mutation mutation-radical)
huwchradd (mutation prothesis-h)

uwch- (“super, over-”) + gradd (“degree”)


colofn

colofnau (plural)
colofn (mutation mutation-radical)
golofn (mutation mutation-soft)
ngholofn (mutation mutation-nasal)
cholofn (mutation mutation-aspirate)

From Middle Welsh colouen, from Proto-Brythonic *koloβ̃n, from Latin columna, ultimately from Proto-Indo-European *kelH- (“to rise, to be tall”). Doublet of celfi (“furniture”)

der

(bardic poetry) fundamental or principal meter


graddio

cy-verb

graddio (first-person singular present graddiaf)

graddiaf (first-person present singular)
graddiaf (first-person future indicative present singular)
greddi (future indicative present second-person singular)
graddia (future indicative present singular third-person)
graddiwn (first-person future indicative plural present)
greddiwch (future indicative plural present second-person)
graddiwch (future indicative plural present second-person)
graddiant (future indicative plural present third-person)
greddir (future impersonal indicative present)
graddiwn (conditional first-person singular)
graddiwn (first-person imperfect indicative singular)
greddit (conditional second-person singular)
greddit (imperfect indicative second-person singular)
graddiai (conditional singular third-person)
graddiai (imperfect indicative singular third-person)
graddiem (conditional first-person plural)
graddiem (first-person imperfect indicative plural)
graddiech (conditional plural second-person)
graddiech (imperfect indicative plural second-person)
graddient (conditional plural third-person)
graddient (imperfect indicative plural third-person)
greddid (conditional impersonal)
greddid (imperfect impersonal indicative)
greddiais (first-person preterite singular)
greddiaist (preterite second-person singular)
graddiodd (preterite singular third-person)
graddiasom (first-person plural preterite)
graddiasoch (plural preterite second-person)
graddiasant (plural preterite third-person)
graddiwyd (impersonal preterite)
graddiaswn (first-person pluperfect singular)
graddiasit (pluperfect second-person singular)
graddiasai (pluperfect singular third-person)
graddiasem (first-person pluperfect plural)
graddiasech (pluperfect plural second-person)
graddiasent (pluperfect plural third-person)
graddiasid (impersonal pluperfect)
graddiesid (impersonal pluperfect)
graddiwyf (first-person present singular subjunctive)
greddiech (present second-person singular subjunctive)
graddio (present singular subjunctive third-person)
graddiom (first-person plural present subjunctive)
graddioch (plural present second-person subjunctive)
graddiont (plural present subjunctive third-person)
graddier (impersonal present subjunctive)
graddia (imperative second-person singular)
graddied (imperative singular third-person)
graddiwn (first-person imperative plural)
greddiwch (imperative plural second-person)
graddiwch (imperative plural second-person)
graddient (imperative plural third-person)
graddier (imperative impersonal)
graddio (noun-from-verb)
graddiedig (participle)
graddiadwy (participle)
graddia i (first-person future singular)
graddiaf i (first-person future singular)
graddi di (future second-person singular)
graddith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
graddiff e (future singular third-person)
graddiwn ni (first-person future plural)
graddiwch chi (future plural second-person)
graddian nhw (future plural third-person)
graddiwn i (conditional first-person singular)
graddswn i (conditional first-person singular)
graddiet ti (conditional second-person singular)
graddset ti (conditional second-person singular)
graddiai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
graddsai fo (conditional singular third-person)
graddien ni (conditional first-person plural)
graddsen ni (conditional first-person plural)
graddiech chi (conditional plural second-person)
graddsech chi (conditional plural second-person)
graddien nhw (conditional plural third-person)
graddsen nhw (conditional plural third-person)
graddiais i (first-person preterite singular)
graddies i (first-person preterite singular)
graddiaist ti (preterite second-person singular)
graddiest ti (preterite second-person singular)
graddiodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
graddion ni (first-person plural preterite)
graddioch chi (plural preterite second-person)
graddion nhw (plural preterite third-person)
graddia (imperative second-person singular)
graddiwch (imperative plural second-person)
graddio (mutation mutation-radical)
raddio (mutation mutation-soft)
ngraddio (mutation mutation-nasal)

From gradd (“grade, degree, rank”) + -io (verb-forming suffix)


iâr faes

ieir maes (plural)
iâr faes (mutation mutation-radical)
hiâr faes (mutation prothesis-h)


maes glanio

meysydd glanio (plural)
maes glanio (mutation mutation-radical)
faes glanio (mutation mutation-soft)

From maes (“field”) + glanio (“to land”).


wy maes

wyau maes (plural)
wy maes (mutation mutation-radical)
hwy maes (mutation prothesis-h)

/ˌuːɨ̯ ˈmaːɨ̯s/


maes parcio

meysydd parcio (plural)
maes parcio (mutation mutation-radical)
faes parcio (mutation mutation-soft)

From maes (“field”) + parcio (“to park”).


clustffon

clustffonau (plural)
clustffon (mutation mutation-radical)
glustffon (mutation mutation-soft)
nghlustffon (mutation mutation-nasal)
chlustffon (mutation mutation-aspirate)


ystafell ymolchi

cy-noun

ystafell ymolchi f (plural ystafelloedd ymolchi)

ystafelloedd ymolchi (plural)
ystafell ymolchi (mutation mutation-radical)
hystafell ymolchi (mutation prothesis-h)


ystafell wely

ystafell wely f (plural ystafelloedd gwely)

ystafelloedd gwely (plural)
ystafell wely (mutation mutation-radical)
hystafell wely (mutation prothesis-h)

Paid â mynd i mewn i fy ystafell wely heb gnocio.

Don't enter my bedroom without knocking.


chwaraewr CD

chwaraewr CD m (plural chwaraewyr CD, not mutable)


ystafell fyw

ystafelloed byw (plural)
ystafell fyw (mutation mutation-radical)
hystafell fyw (mutation prothesis-h)


ystafell fwyta

ystafell fwyta f (plural ystafelloed bwyta)

ystafelloed bwyta (plural)
ystafell fwyta (mutation mutation-radical)
hystafell fwyta (mutation prothesis-h)

dining room (room where meals are eaten)


sosban

sosban f or m (plural sosbannau or sosbenni or sosbyn or sosbyns, not mutable)

sosbannau (plural)
sosbenni (plural)
sosbyn (plural)
sosbyns (plural)


padell ffrio

padell ffrio f (plural padellau ffrio or padelli ffrio or pedyll ffrio)

padellau ffrio (plural)
padelli ffrio (plural)
pedyll ffrio (plural)
padell ffrio (mutation mutation-radical)
badell ffrio (mutation mutation-soft)
mhadell ffrio (mutation mutation-nasal)
phadell ffrio (mutation mutation-aspirate)


cwcer

cwcers (plural)
cwcerau (plural)
cwcer (mutation mutation-radical)
gwcer (mutation mutation-soft)
nghwcer (mutation mutation-nasal)
chwcer (mutation mutation-aspirate)

cooker (device for heating food, stove; appliance or utensil for cooking)


ffrio

cy-verb

ffrio (first-person singular present ffriaf, not mutable)

ffriaf (first-person present singular)
ffriaf (first-person future indicative present singular)
ffri (future indicative present second-person singular)
ffria (future indicative present singular third-person)
ffriwn (first-person future indicative plural present)
ffriwch (future indicative plural present second-person)
ffriant (future indicative plural present third-person)
ffrir (future impersonal indicative present)
ffriwn (conditional first-person singular)
ffriwn (first-person imperfect indicative singular)
ffrit (conditional second-person singular)
ffrit (imperfect indicative second-person singular)
ffriai (conditional singular third-person)
ffriai (imperfect indicative singular third-person)
ffriem (conditional first-person plural)
ffriem (first-person imperfect indicative plural)
ffriech (conditional plural second-person)
ffriech (imperfect indicative plural second-person)
ffrient (conditional plural third-person)
ffrient (imperfect indicative plural third-person)
ffrid (conditional impersonal)
ffrid (imperfect impersonal indicative)
ffriais (first-person preterite singular)
ffriaist (preterite second-person singular)
ffriodd (preterite singular third-person)
ffriasom (first-person plural preterite)
ffriasoch (plural preterite second-person)
ffriasant (plural preterite third-person)
ffriwyd (impersonal preterite)
ffriaswn (first-person pluperfect singular)
ffriasit (pluperfect second-person singular)
ffriasai (pluperfect singular third-person)
ffriasem (first-person pluperfect plural)
ffriasech (pluperfect plural second-person)
ffriasent (pluperfect plural third-person)
ffriasid (impersonal pluperfect)
ffriesid (impersonal pluperfect)
ffriwyf (first-person present singular subjunctive)
ffriech (present second-person singular subjunctive)
ffrio (present singular subjunctive third-person)
ffriom (first-person plural present subjunctive)
ffrioch (plural present second-person subjunctive)
ffriont (plural present subjunctive third-person)
ffrier (impersonal present subjunctive)
ffria (imperative second-person singular)
ffried (imperative singular third-person)
ffriwn (first-person imperative plural)
ffriwch (imperative plural second-person)
ffrient (imperative plural third-person)
ffrier (imperative impersonal)
ffrio (noun-from-verb)
ffriedig (participle)
ffriadwy (participle)
ffria i (first-person future singular)
ffriaf i (first-person future singular)
ffrii di (future second-person singular)
ffriith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
ffriiff o (future singular third-person)
ffrïwn ni (first-person future plural)
ffrïwch chi (future plural second-person)
ffrian nhw (future plural third-person)
ffrïwn i (conditional first-person singular)
ffriswn i (conditional first-person singular)
ffriet ti (conditional second-person singular)
ffriset ti (conditional second-person singular)
ffriai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
ffrisai fo (conditional singular third-person)
ffrien ni (conditional first-person plural)
ffrisen ni (conditional first-person plural)
ffriech chi (conditional plural second-person)
ffrisech chi (conditional plural second-person)
ffrien nhw (conditional plural third-person)
ffrisen nhw (conditional plural third-person)
ffriais i (first-person preterite singular)
ffries i (first-person preterite singular)
ffriaist ti (preterite second-person singular)
ffriest ti (preterite second-person singular)
ffriodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
ffrion ni (first-person plural preterite)
ffrioch chi (plural preterite second-person)
ffrion nhw (plural preterite third-person)
ffria (imperative second-person singular)
ffriwch (imperative plural second-person)

From Middle Welsh ffrio, ultimately from Latin frīgō (“to roast, fry”); either via Middle English frien, from Old French frire, or else via Proto-Brythonic *friɣɨd.

to fry (cook (something) in hot fat or oil)


stemio

stemio (first-person singular present stemiaf, not mutable)

stemiaf (first-person present singular)
stemiaf (first-person future indicative present singular)
stemi (future indicative present second-person singular)
stemi (future indicative present singular third-person)
stemia (future indicative present singular third-person)
stemiwn (first-person future indicative plural present)
stemiwch (future indicative plural present second-person)
stemiant (future indicative plural present third-person)
stemir (future impersonal indicative present)
stemiwn (conditional first-person singular)
stemiwn (first-person imperfect indicative singular)
stemit (conditional second-person singular)
stemit (imperfect indicative second-person singular)
stemiai (conditional singular third-person)
stemiai (imperfect indicative singular third-person)
stemiem (conditional first-person plural)
stemiem (first-person imperfect indicative plural)
stemiech (conditional plural second-person)
stemiech (imperfect indicative plural second-person)
stemient (conditional plural third-person)
stemient (imperfect indicative plural third-person)
stemid (conditional impersonal)
stemid (imperfect impersonal indicative)
stemiais (first-person preterite singular)
stemiaist (preterite second-person singular)
stemiodd (preterite singular third-person)
stemiasom (first-person plural preterite)
stemiasoch (plural preterite second-person)
stemiasant (plural preterite third-person)
stemiwyd (impersonal preterite)
stemiaswn (first-person pluperfect singular)
stemiasit (pluperfect second-person singular)
stemiasai (pluperfect singular third-person)
stemiasem (first-person pluperfect plural)
stemiasech (pluperfect plural second-person)
stemiasent (pluperfect plural third-person)
stemiasid (impersonal pluperfect)
stemiesid (impersonal pluperfect)
stemiwyf (first-person present singular subjunctive)
stemiech (present second-person singular subjunctive)
stemio (present singular subjunctive third-person)
stemiom (first-person plural present subjunctive)
stemioch (plural present second-person subjunctive)
stemiont (plural present subjunctive third-person)
stemier (impersonal present subjunctive)
stemi (imperative second-person singular)
stemia (imperative second-person singular)
stemied (imperative singular third-person)
stemiwn (first-person imperative plural)
stemiwch (imperative plural second-person)
stemient (imperative plural third-person)
stemier (imperative impersonal)
stemio (noun-from-verb)
stemiedig (participle)
stemiadwy (participle)
stemia i (first-person future singular)
stemiaf i (first-person future singular)
stemi di (future second-person singular)
stemith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
stemiff e (future singular third-person)
stemiwn ni (first-person future plural)
stemiwch chi (future plural second-person)
stemian nhw (future plural third-person)
stemiwn i (conditional first-person singular)
stemswn i (conditional first-person singular)
stemiet ti (conditional second-person singular)
stemset ti (conditional second-person singular)
stemiai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
stemsai fo (conditional singular third-person)
stemien ni (conditional first-person plural)
stemsen ni (conditional first-person plural)
stemiech chi (conditional plural second-person)
stemsech chi (conditional plural second-person)
stemien nhw (conditional plural third-person)
stemsen nhw (conditional plural third-person)
stemiais i (first-person preterite singular)
stemies i (first-person preterite singular)
stemiaist ti (preterite second-person singular)
stemiest ti (preterite second-person singular)
stemiodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
stemion ni (first-person plural preterite)
stemioch chi (plural preterite second-person)
stemion nhw (plural preterite third-person)
stemia (imperative second-person singular)
stemiwch (imperative plural second-person)


archdderwydd

cy-noun

archdderwydd m (plural archdderwyddon, feminine archdderwyddes)

archdderwyddon (plural)
archdderwyddes (feminine)
archdderwydd (mutation mutation-radical)
harchdderwydd (mutation prothesis-h)

/arχˈðɛrwɨ̞ð/

/arχˈðɛrwɪð/


darllediad

darllediadau (plural)
darllediad (mutation mutation-radical)
ddarllediad (mutation mutation-soft)
narllediad (mutation mutation-nasal)

broadcast (transmission of a radio or television programme)


treial

treialon (plural)
treial (mutation mutation-radical)
dreial (mutation mutation-soft)
nhreial (mutation mutation-nasal)
threial (mutation mutation-aspirate)


ffiaidd

cy-adj

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

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


rhodfa

rhodfeydd (plural)
rhodfa (mutation mutation-radical)
rodfa (mutation mutation-soft)


rhedfa

rhedfeydd (plural)
rhedfa (mutation mutation-radical)
redfa (mutation mutation-soft)


simsanrwydd

cy-noun

simsanrwydd m (uncountable, not mutable)


symudiad

symudiad m (plural symudiadau, not mutable)


Aneurin

Aneurin (mutation mutation-radical)
Haneurin (mutation prothesis-h)

An alteration of Aneirin, the name of an early Medieval Brythonic war poet.


dyfnder

dyfnder m (plural dyfnderau or dyfnderoedd)

dyfnderau (plural)
dyfnderoedd (plural)
dyfnder (mutation mutation-radical)
ddyfnder (mutation mutation-soft)
nyfnder (mutation mutation-nasal)


lwyn

Borrowed from Old French loigne or Middle English loyne, ultimately from Latin lumbus (“loin”).

(anatomy) loins (of human being or animal)

the loins as the part of the body about which the clothes were bound, a sword fastened, etc.

the loins as the seat of physical strength and of generative power


bannod

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


caledwedd

caledwedd (mutation mutation-radical)
galedwedd (mutation mutation-soft)
nghaledwedd (mutation mutation-nasal)
chaledwedd (mutation mutation-aspirate)


meddalwedd

meddalwedd (mutation mutation-radical)
feddalwedd (mutation mutation-soft)

software (encoded computer instructions)


ffeil

ffeil f (plural ffeiliau or ffeils or ffeilys, not mutable)

ffeiliau (plural)
ffeils (plural)
ffeilys (plural)

(computing) file (aggregation of data on a storage device, identified by a name)


e-bost

e-bost m (plural e-byst or e-bostiau or e-bostiadau)

e-byst (plural)
e-bostiau (plural)
e-bostiadau (plural)
e-bost (mutation mutation-radical)
he-bost (mutation prothesis-h)

Partial calque of English e-mail, from English e- + post (“mail”).


rhaglennu

cy-verb

rhaglennu (first-person singular present rhaglennaf)

rhaglennaf (first-person present singular)
rhaglennaf (first-person future indicative present singular)
rhaglenni (future indicative present second-person singular)
rhaglenn (future indicative present singular third-person)
rhaglenna (future indicative present singular third-person)
rhaglennwn (first-person future indicative plural present)
rhaglennwch (future indicative plural present second-person)
rhaglennant (future indicative plural present third-person)
rhaglennir (future impersonal indicative present)
rhaglennwn (conditional first-person singular)
rhaglennwn (first-person imperfect indicative singular subjunctive)
rhaglennit (conditional second-person singular)
rhaglennit (imperfect indicative second-person singular subjunctive)
rhaglennai (conditional singular third-person)
rhaglennai (imperfect indicative singular subjunctive third-person)
rhaglennem (conditional first-person plural)
rhaglennem (first-person imperfect indicative plural subjunctive)
rhaglennech (conditional plural second-person)
rhaglennech (imperfect indicative plural second-person subjunctive)
rhaglennent (conditional plural third-person)
rhaglennent (imperfect indicative plural subjunctive third-person)
rhaglennid (conditional impersonal)
rhaglennid (imperfect impersonal indicative subjunctive)
rhaglennais (first-person preterite singular)
rhaglennaist (preterite second-person singular)
rhaglennodd (preterite singular third-person)
rhaglennasom (first-person plural preterite)
rhaglennasoch (plural preterite second-person)
rhaglennasant (plural preterite third-person)
rhaglennwyd (impersonal preterite)
rhaglennaswn (first-person pluperfect singular)
rhaglennasit (pluperfect second-person singular)
rhaglennasai (pluperfect singular third-person)
rhaglennasem (first-person pluperfect plural)
rhaglennasech (pluperfect plural second-person)
rhaglennasent (pluperfect plural third-person)
rhaglennasid (impersonal pluperfect)
rhaglennesid (impersonal pluperfect)
rhaglennwyf (first-person present singular subjunctive)
rhaglennych (present second-person singular subjunctive)
rhaglenno (present singular subjunctive third-person)
rhaglennom (first-person plural present subjunctive)
rhaglennoch (plural present second-person subjunctive)
rhaglennont (plural present subjunctive third-person)
rhaglenner (impersonal present subjunctive)
rhaglenn (imperative second-person singular)
rhaglenna (imperative second-person singular)
rhaglenned (imperative singular third-person)
rhaglennwn (first-person imperative plural)
rhaglennwch (imperative plural second-person)
rhaglennent (imperative plural third-person)
rhaglenner (imperative impersonal)
rhaglennu (noun-from-verb)
rhaglennedig (participle)
rhaglennadwy (participle)
rhaglenna i (first-person future singular)
rhaglennaf i (first-person future singular)
rhaglenni di (future second-person singular)
rhaglennith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
rhaglenniff e (future singular third-person)
rhaglennwn ni (first-person future plural)
rhaglennwch chi (future plural second-person)
rhaglennan nhw (future plural third-person)
rhaglennwn i (conditional first-person singular)
rhaglennswn i (conditional first-person singular)
rhaglennet ti (conditional second-person singular)
rhaglennset ti (conditional second-person singular)
rhaglennai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
rhaglennsai fo (conditional singular third-person)
rhaglennen ni (conditional first-person plural)
rhaglennsen ni (conditional first-person plural)
rhaglennech chi (conditional plural second-person)
rhaglennsech chi (conditional plural second-person)
rhaglennen nhw (conditional plural third-person)
rhaglennsen nhw (conditional plural third-person)
rhaglennais i (first-person preterite singular)
rhaglennes i (first-person preterite singular)
rhaglennaist ti (preterite second-person singular)
rhaglennest ti (preterite second-person singular)
rhaglennodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
rhaglennon ni (first-person plural preterite)
rhaglennoch chi (plural preterite second-person)
rhaglennon nhw (plural preterite third-person)
rhaglenna (imperative second-person singular)
rhaglennwch (imperative plural second-person)
rhaglennu (mutation mutation-radical)
raglennu (mutation mutation-soft)

/r̥aɡˈlɛnɨ̞/

(computing) to program (enter a program or other instructions into a computer)


Sacson

cy-noun

Sacson m (plural Sacsoniaid or Sacsons, not mutable)

From English Saxon, from Latin Saxō. Doublet of Sais.


llipryn

llipryn m (plural lliprynnod or lliprynnau)

lliprynnod (plural)
lliprynnau (plural)
llipryn (mutation mutation-radical)
lipryn (mutation mutation-soft)


llwydfelyn

cy-adj

llwydfelyn (feminine singular llwydfelen, plural llwydfelynion, equative llwydfelyned, comparative llwydfelynach, superlative llwydfelynaf)

llwydfelen (feminine singular)
llwydfelynion (plural)
llwydfelyned (equative)
llwydfelynach (comparative)
llwydfelynaf (superlative)

/ɬʊɨ̯dˈvɛlɨ̞n/


llwydfelyn

llwydfelynion (plural)
llwydfelyn (mutation mutation-radical)
lwydfelyn (mutation mutation-soft)

/ɬʊɨ̯dˈvɛlɨ̞n/


mwrllwch

mwrllwch (mutation mutation-radical)
fwrllwch (mutation mutation-soft)


hyblyn

cy-noun

hyblyn m (plural hyblynnau, not mutable)

From hẁb (“boost, bush, thrust”) + llyn (“drink; spirit”) under the influence of brechlyn (“vaccine”).

com

"Dwi'n meddwl bod rhaid i ni fod yn realistig - mae yna elfennau, ar hyn o bryd, sy'n bodoli efo'r hyblyn - er enghraifft, sicrhau fod pobl yn cael eu goruchwylio ar ôl ei chael hi," ychwanegodd.

"I think that we have to be realistic - there are issues, at the moment, that exist with the booster - for example, ensuring that people are supervised after having it," he added.


byr ei olwg

cy-adj

byr ei olwg (feminine singular byr ei golwg, plural byr eu golwg, equative byrred ei olwg, comparative byrrach ei olwg, superlative byrraf ei olwg)

byr ei golwg (feminine singular)
byr eu golwg (plural)
byrred ei olwg (equative)
byrrach ei olwg (comparative)
byrraf ei olwg (superlative)
byr fy ngolwg (first-person singular)
byr ein golwg (first-person plural)
byr dy olwg (second-person singular)
byr eich golwg (plural second-person)
byr ei olwg m (singular third-person)
byr ei golwg f (singular third-person)
byr eu golwg (plural third-person)
byr ei olwg (mutation mutation-radical)
fyr ei olwg (mutation mutation-soft)
myr ei olwg (mutation mutation-nasal)

/ˌbɨ̞r ei̯ ˈɔlʊɡ/

/ˌbɨ̞r ɪ ˈɔlʊɡ/

/ˌbɪr ei̯ ˈɔlʊɡ/

/ˌbɪr i ˈɔlʊɡ/


fferyllydd

cy-noun

fferyllydd m or f (plural fferyllyddion, not mutable)


cyffur

cyffur m (plural cyffuriau or cyffurion)

cyffuriau (plural)
cyffurion (plural)
cyffur (mutation mutation-radical)
gyffur (mutation mutation-soft)
nghyffur (mutation mutation-nasal)
chyffur (mutation mutation-aspirate)

From earlier cyffurf, from cyf- + ffurf.


fferyll

fferyll m (plural fferyllion or fferylliaid, not mutable)

fferyllion (plural)
fferylliaid (plural)

From Fferyll (“Virgil”), due to the historical figure's mediaeval reputation as a wonderworker.


ôd

ôd (mutation mutation-radical)
hôd (mutation prothesis-h)


triawd

triawdau (plural)
triawd (mutation mutation-radical)
driawd (mutation mutation-soft)
nhriawd (mutation mutation-nasal)
thriawd (mutation mutation-aspirate)


llengig

llengigoedd (plural)
llengig (mutation mutation-radical)
lengig (mutation mutation-soft)

From llen (“curtain, veil, screen”) + cig (“meat, flesh”).


neigarwch

From nai (“nephew”) + -gar + -wch. Calque of English nepotism.


cosb marwolaeth

cy-noun

cosb marwolaeth m (plural cosbau marwolaeth)

cosbau marwolaeth (plural)
cosb marwolaeth (mutation mutation-radical)
gosb marwolaeth (mutation mutation-soft)
nghosb marwolaeth (mutation mutation-nasal)
chosb marwolaeth (mutation mutation-aspirate)

Alternative form of cosb farwolaeth (“death penalty”)


gwarchodwr

gwarchodwr m (plural gwarchodwyr, feminine gwarchodwraig)

gwarchodwyr (plural)
gwarchodwraig (feminine)
gwarchodwr (mutation mutation-radical)
warchodwr (mutation mutation-soft)
ngwarchodwr (mutation mutation-nasal)


amddiffynnwr

amddiffynnwyr (plural)
amddiffynnwr (mutation mutation-radical)
hamddiffynnwr (mutation prothesis-h)


ariannwr

arianwyr (plural)
ariannwr (mutation mutation-radical)
hariannwr (mutation prothesis-h)


ditectif

ditectifs (plural)
ditectif (mutation mutation-radical)
dditectif (mutation mutation-soft)
nitectif (mutation mutation-nasal)


teios

teios (mutation mutation-radical)
deios (mutation mutation-soft)
nheios (mutation mutation-nasal)
theios (mutation mutation-aspirate)

(plural only) little houses, hovels, (expressing small size and sometimes poor quality)


meddyglyn

meddyglynnau (plural)
meddyglyn (mutation mutation-radical)
feddyglyn (mutation mutation-soft)

→ English: metheglin

From meddyg (“doctor, healer”) + llyn (“drink”).


onglydd

onglyddion (plural)
onglydd (mutation mutation-radical)
honglydd (mutation prothesis-h)

protractor (circular or semicircular tool for measuring angles)


malaith

cy-noun

malaith m (plural maleithiau or maleithau)

maleithiau (plural)
maleithau (plural)
malaith (mutation mutation-radical)
falaith (mutation mutation-soft)


adwaith

adweithiau (plural)
adwaith (mutation mutation-radical)
hadwaith (mutation prothesis-h)

From ad- + gwaith; calque of English reaction.


rhagosodiad

rhagosodiad (mutation mutation-radical)
ragosodiad (mutation mutation-soft)


claddfa

claddfeydd (plural)
claddfa (mutation mutation-radical)
gladdfa (mutation mutation-soft)
nghladdfa (mutation mutation-nasal)
chladdfa (mutation mutation-aspirate)


Tŷ Gwyn

Er pan o'dd Bill Clinton miwn swydd yn ei Dŷ Gwyn,…

Ever since Bill Clinton was in the White House,…


corfflan

corfflannau (plural)
corfflan (mutation mutation-radical)
gorfflan (mutation mutation-soft)
nghorfflan (mutation mutation-nasal)
chorfflan (mutation mutation-aspirate)


mynwent

mynwent f (plural mynwentydd or mynwenti or mynwentau or mynwennoedd or mynwenni)

mynwentydd (plural)
mynwenti (plural)
mynwentau (plural)
mynwennoedd (plural)
mynwenni (plural)
mynwent (mutation mutation-radical)
fynwent (mutation mutation-soft)

From Middle Welsh mynwent, from Proto-Brythonic *munβ̃ent, from Latin monumentum.


masnachle

masnach (“trade, business”) + lle (“place”)


masnach

cy-noun

masnach f (plural masnachau or masnachoedd)


batri

batri m (plural batris or batrïau or batrïoedd)

batris (plural)
batrïau (plural)
batrïoedd (plural)
batri (mutation mutation-radical)
fatri (mutation mutation-soft)
matri (mutation mutation-nasal)

battery (device for storing electricity)


dsc

Initialism of Deddf Senedd Cymru (“Act of Senedd Cymru”).

initialism

Deddf Anifeiliaid Gwyllt a Syrcasau (Cymru) 2020 (2020 dsc 2)

Wild Animals and Circuses (Wales) Act 2020 (2020 asc 2)


mccc

Initialism of Mesur Cynulliad Cenedlaethol Cymru (“Measure of the National Assembly for Wales”).

Mesur Gwneud Iawn am Gamweddau'r GIG (Cymru) 2008 (2008 mccc 1)

NHS Redress (Wales) Measure 2008 (2008 nawm 1)


dccc

Initialism of Deddf Cynulliad Cenedlaethol Cymru (“Act of the National Assembly for Wales”).

Deddf Trawsblannu Dynol (Cymru) 2013 (2013 dccc 5)

Human Transplantation (Wales) Act 2013 (2013 anaw 5)


caethwas

caethweision (plural)
caethwas (mutation mutation-radical)
gaethwas (mutation mutation-soft)
nghaethwas (mutation mutation-nasal)
chaethwas (mutation mutation-aspirate)


gras anorchfygol

gras anorchfygol (mutation mutation-radical)
ras anorchfygol (mutation mutation-soft)
ngras anorchfygol (mutation mutation-nasal)

/ˌɡraːs ˌanɔrχˈvəɡɔl/

From gras (“grace”) + anorchfygol (“invincible, unconquerable”).


dyfalbarhad y saint

dyfalbarhad y saint (mutation mutation-radical)
ddyfalbarhad y saint (mutation mutation-soft)
nyfalbarhad y saint (mutation mutation-nasal)

From dyfalbarhad (“perseverance”) + y (“(of) the”) + saint (“saints”).

perseverance of the saints
perseverance of the saints


iawn cyfyngedig

iawn cyfyngedig (mutation mutation-radical)
hiawn cyfyngedig (mutation prothesis-h)

/ˌjau̯n ˌkəvəˈŋɛdɪɡ/

/ˌjau̯n ˌkəvəˈŋeːdɪɡ/

/ˌjau̯n ˌkəvəˈŋɛdɪɡ/

From iawn (“atonement, propitiation”) + cyfyngedig (“limited”).


llygriad llwyr

llygriad llwyr (mutation mutation-radical)
lygriad llwyr (mutation mutation-soft)

/ˌɬəɡrjad ˈɬuːɨ̯r/

/ˌɬəɡrjad ˈɬʊi̯r/

From llygriad (“corruption”) + llwyr (“total, entire”).


etholedigaeth ddiamod

etholedigaeth ddiamod (mutation mutation-radical)
hetholedigaeth ddiamod (mutation prothesis-h)

/ˌɛθɔlɛˌdɪɡaɨ̯θ ðɪ.ˈamɔd/

/ˌɛθɔlɛˌdɪɡɛθ ðɪ.ˈamɔd/

/ˌɛθɔlɛˌdɪɡai̯θ ði.ˈamɔd/

/ˌɛθɔlɛˌdiːɡɛθ ði.ˈamɔd/

/ˌɛθɔlɛˌdɪɡɛθ ði.ˈamɔd/

From etholedigaeth (“election”) + diamod (“unconditional”).

unconditional election
unconditional election


ysbrydolrwydd

ysbrydolrwydd (mutation mutation-radical)
hysbrydolrwydd (mutation prothesis-h)


diafol

diefyl (plural)
diafoliaid (plural)
diafol (mutation mutation-radical)
ddiafol (mutation mutation-soft)
niafol (mutation mutation-nasal)

From Middle Welsh diauul, from Proto-Brythonic *diaβul, from Latin diabolus. Doublet of diawl.


yn ei arddegau

yn fy arddegau (first-person singular)
yn ein harddegau (first-person plural)
yn dy arddegau (second-person singular)
yn eich arddegau (plural second-person)
yn ei arddegau m (singular third-person)
yn ei harddegau f (singular third-person)
yn eu harddegau (plural third-person)

/ˌən ei̯ arˈðɛɡaɨ̯/

/ˌən ɪ arˈðɛɡɛ/

/ˌən ɪ arˈðɛɡa/

/ˌən i arˈðeːɡɛ/

/ˌən i arˈðɛɡɛ/


pysgotwr

cy-noun

pysgotwr m (plural pysgotwyr, feminine pysgotwraig)

pysgotwyr (plural)
pysgotwraig (feminine)
pysgotwr (mutation mutation-radical)
bysgotwr (mutation mutation-soft)
mhysgotwr (mutation mutation-nasal)
physgotwr (mutation mutation-aspirate)


cylchred

cylchred m or f (plural cylchredau or cylchredion)

cylchredau (plural)
cylchredion (plural)
cylchred (mutation mutation-radical)
gylchred (mutation mutation-soft)
nghylchred (mutation mutation-nasal)
chylchred (mutation mutation-aspirate)


mosg

mosg m (plural mosgiau or mosgau or mosgoedd or mosgiaid)

mosgiau (plural)
mosgau (plural)
mosgoedd (plural)
mosgiaid (plural)
mosg (mutation mutation-radical)
fosg (mutation mutation-soft)

From English mosque, from French mosquée, from Italian moschea, ultimately from Arabic مَسْجِد (masjid, literally “place of prostration”).


bydysawd

bydysawd (mutation mutation-radical)
fydysawd (mutation mutation-soft)
mydysawd (mutation mutation-nasal)

From Middle Welsh bedyssawt, from Proto-Brythonic *bėdɨsọd, from Latin baptizātus.


rheolwr cyffredinol

cy-noun

rheolwr cyffredinol m (plural rheolwyr cyffredinol)

rheolwyr cyffredinol (plural)
rheolwr cyffredinol (mutation mutation-radical)
reolwr cyffredinol (mutation mutation-soft)


afal breuant

afalau breuant (plural)
afal breuant (mutation mutation-radical)
hafal breuant (mutation prothesis-h)


breuant

breuant m (plural breuannau or breuantau)

breuannau (plural)
breuantau (plural)
breuant (mutation mutation-radical)
freuant (mutation mutation-soft)
mreuant (mutation mutation-nasal)

From Proto-Celtic *brāgants (“neck, throat”), from Proto-Indo-European *gʷerh₃- (“devour”).


adnoddau dynol

adnoddau dynol (mutation mutation-radical)
hadnoddau dynol (mutation prothesis-h)


nwydd

nwydd m or f (plural nwyddau, diminutive nwyddyn, not mutable)

item, article, commodity, (in the plural) goods, wares, merchandise


dyled

From Middle Welsh dylyet, from Proto-Brythonic *dlɨɣed, from Proto-Celtic *dligetom (compare Old Irish dliget, from Proto-Indo-European *dʰl̥gʰ-é-tom (“debt, obligation”).


Eiry

Eiry (mutation mutation-radical)
Heiry (mutation prothesis-h)


Dyfrig

Dyfrig (mutation mutation-radical)
Ddyfrig (mutation mutation-soft)
Nyfrig (mutation mutation-nasal)


Ianto

Ianto (mutation mutation-radical)
Hianto (mutation prothesis-h)


Barti

Barti (mutation mutation-radical)
Farti (mutation mutation-soft)
Marti (mutation mutation-nasal)


oriawr

oriorau (plural)
oriawr (mutation mutation-radical)
horiawr (mutation prothesis-h)

From awr + -iawr. A borrowing from Latin hōrārium is unlikely for phonological reasons.


Alon

Alon (mutation mutation-radical)
Halon (mutation prothesis-h)


glasu

cy-verb

glasu (first-person singular present glasaf)

glasaf (first-person present singular)
glasaf (first-person future indicative present singular)
glesi (future indicative present second-person singular)
glasa (future indicative present singular third-person)
glaswn (first-person future indicative plural present)
gleswch (future indicative plural present second-person)
glaswch (future indicative plural present second-person)
glasant (future indicative plural present third-person)
glesir (future impersonal indicative present)
glaswn (conditional first-person singular)
glaswn (first-person imperfect indicative singular subjunctive)
glasit (conditional second-person singular)
glasit (imperfect indicative second-person singular subjunctive)
glasai (conditional singular third-person)
glasai (imperfect indicative singular subjunctive third-person)
glasem (conditional first-person plural)
glasem (first-person imperfect indicative plural subjunctive)
glasech (conditional plural second-person)
glasech (imperfect indicative plural second-person subjunctive)
glasent (conditional plural third-person)
glasent (imperfect indicative plural subjunctive third-person)
glesid (conditional impersonal)
glesid (imperfect impersonal indicative subjunctive)
glesais (first-person preterite singular)
glesaist (preterite second-person singular)
glasodd (preterite singular third-person)
glasasom (first-person plural preterite)
glasasoch (plural preterite second-person)
glasasant (plural preterite third-person)
glaswyd (impersonal preterite)
glasaswn (first-person pluperfect singular)
glasasit (pluperfect second-person singular)
glasasai (pluperfect singular third-person)
glasasem (first-person pluperfect plural)
glasasech (pluperfect plural second-person)
glasasent (pluperfect plural third-person)
glasasid (impersonal pluperfect)
glasesid (impersonal pluperfect)
glaswyf (first-person present singular subjunctive)
glesych (present second-person singular subjunctive)
glaso (present singular subjunctive third-person)
glasom (first-person plural present subjunctive)
glasoch (plural present second-person subjunctive)
glasont (plural present subjunctive third-person)
glaser (impersonal present subjunctive)
glasa (imperative second-person singular)
glased (imperative singular third-person)
glaswn (first-person imperative plural)
gleswch (imperative plural second-person)
glaswch (imperative plural second-person)
glasent (imperative plural third-person)
glaser (imperative impersonal)
glasu (noun-from-verb)
glasedig (participle)
glasadwy (participle)
glasa i (first-person future singular)
glasaf i (first-person future singular)
glasi di (future second-person singular)
glasith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
glasiff e (future singular third-person)
glaswn ni (first-person future plural)
glaswch chi (future plural second-person)
glasan nhw (future plural third-person)
glaswn i (conditional first-person singular)
glasswn i (conditional first-person singular)
glaset ti (conditional second-person singular)
glasset ti (conditional second-person singular)
glasai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
glassai fo (conditional singular third-person)
glasen ni (conditional first-person plural)
glassen ni (conditional first-person plural)
glasech chi (conditional plural second-person)
glassech chi (conditional plural second-person)
glasen nhw (conditional plural third-person)
glassen nhw (conditional plural third-person)
glasais i (first-person preterite singular)
glases i (first-person preterite singular)
glasaist ti (preterite second-person singular)
glasest ti (preterite second-person singular)
glasodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
glason ni (first-person plural preterite)
glasoch chi (plural preterite second-person)
glason nhw (plural preterite third-person)
glasa (imperative second-person singular)
glaswch (imperative plural second-person)
glasu (mutation mutation-radical)
lasu (mutation mutation-soft)
nglasu (mutation mutation-nasal)

(botany) to turn green or verdant, to begin to grow, to bud, to sprout


stethosgop

cy-noun

stethosgop m (plural stethosgopau, not mutable)

/ˌsdɛθɔsˈɡɔp/

[ˌstɛθɔsˈkɔpʰ]


Affricaneg

Affricaneg (mutation mutation-radical)
Haffricaneg (mutation prothesis-h)


Iseldireg

Iseldireg (mutation mutation-radical)
Hiseldireg (mutation prothesis-h)


Manaweg

Manaweg (mutation mutation-radical)
Fanaweg (mutation mutation-soft)


Catalaneg

Catalaneg (mutation mutation-radical)
Gatalaneg (mutation mutation-soft)
Nghatalaneg (mutation mutation-nasal)
Chatalaneg (mutation mutation-aspirate)


Wcreineg

Wcreineg (mutation mutation-radical)
Hwcreineg (mutation prothesis-h)


Estoneg

Estoneg (mutation mutation-radical)
Hestoneg (mutation prothesis-h)


Pwyleg

Pwyleg (mutation mutation-radical)
Bwyleg (mutation mutation-soft)
Mhwyleg (mutation mutation-nasal)
Phwyleg (mutation mutation-aspirate)


Twrceg

Twrceg (mutation mutation-radical)
Dwrceg (mutation mutation-soft)
Nhwrceg (mutation mutation-nasal)
Thwrceg (mutation mutation-aspirate)


Belarwseg

Belarwseg (mutation mutation-radical)
Felarwseg (mutation mutation-soft)
Melarwseg (mutation mutation-nasal)


Armeneg

Armeneg (mutation mutation-radical)
Harmeneg (mutation prothesis-h)


Georgeg

Georgeg (mutation mutation-radical)
Eorgeg (mutation mutation-soft)
Ngeorgeg (mutation mutation-nasal)


bownser

bownsers (plural)
bownser (mutation mutation-radical)
fownser (mutation mutation-soft)
mownser (mutation mutation-nasal)


feteran

feteran m (plural feterans or feteraniaid, not mutable)


deintydd

deintyddion (plural)
deintydd (mutation mutation-radical)
ddeintydd (mutation mutation-soft)
neintydd (mutation mutation-nasal)


Islandeg

Islandeg (mutation mutation-radical)
Hislandeg (mutation prothesis-h)


Ocsitaneg

Ocsitaneg (mutation mutation-radical)
Hocsitaneg (mutation prothesis-h)


hunlun

hunlun m (plural hunluniau, not mutable)


diddymu

cy-verb

diddymu (first-person singular present diddymaf)

diddymaf (first-person present singular)
diddymaf (first-person future indicative present singular)
diddymi (future indicative present second-person singular)
diddyma (future indicative present singular third-person)
diddymwn (first-person future indicative plural present)
diddymwch (future indicative plural present second-person)
diddymant (future indicative plural present third-person)
diddymir (future impersonal indicative present)
diddymwn (conditional first-person singular)
diddymwn (first-person imperfect indicative singular subjunctive)
diddymit (conditional second-person singular)
diddymit (imperfect indicative second-person singular subjunctive)
diddymai (conditional singular third-person)
diddymai (imperfect indicative singular subjunctive third-person)
diddymem (conditional first-person plural)
diddymem (first-person imperfect indicative plural subjunctive)
diddymech (conditional plural second-person)
diddymech (imperfect indicative plural second-person subjunctive)
diddyment (conditional plural third-person)
diddyment (imperfect indicative plural subjunctive third-person)
diddymid (conditional impersonal)
diddymid (imperfect impersonal indicative subjunctive)
diddymais (first-person preterite singular)
diddymaist (preterite second-person singular)
diddymodd (preterite singular third-person)
diddymasom (first-person plural preterite)
diddymasoch (plural preterite second-person)
diddymasant (plural preterite third-person)
diddymwyd (impersonal preterite)
diddymaswn (first-person pluperfect singular)
diddymasit (pluperfect second-person singular)
diddymasai (pluperfect singular third-person)
diddymasem (first-person pluperfect plural)
diddymasech (pluperfect plural second-person)
diddymasent (pluperfect plural third-person)
diddymasid (impersonal pluperfect)
diddymesid (impersonal pluperfect)
diddymwyf (first-person present singular subjunctive)
diddymych (present second-person singular subjunctive)
diddymo (present singular subjunctive third-person)
diddymom (first-person plural present subjunctive)
diddymoch (plural present second-person subjunctive)
diddymont (plural present subjunctive third-person)
diddymer (impersonal present subjunctive)
diddyma (imperative second-person singular)
diddymed (imperative singular third-person)
diddymwn (first-person imperative plural)
diddymwch (imperative plural second-person)
diddyment (imperative plural third-person)
diddymer (imperative impersonal)
diddymu (noun-from-verb)
diddymedig (participle)
diddymadwy (participle)
diddyma i (first-person future singular)
diddymaf i (first-person future singular)
diddymi di (future second-person singular)
diddymith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
diddymiff e (future singular third-person)
diddymwn ni (first-person future plural)
diddymwch chi (future plural second-person)
diddyman nhw (future plural third-person)
diddymwn i (conditional first-person singular)
diddymswn i (conditional first-person singular)
diddymet ti (conditional second-person singular)
diddymset ti (conditional second-person singular)
diddymai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
diddymsai fo (conditional singular third-person)
diddymen ni (conditional first-person plural)
diddymsen ni (conditional first-person plural)
diddymech chi (conditional plural second-person)
diddymsech chi (conditional plural second-person)
diddymen nhw (conditional plural third-person)
diddymsen nhw (conditional plural third-person)
diddymais i (first-person preterite singular)
diddymes i (first-person preterite singular)
diddymaist ti (preterite second-person singular)
diddymest ti (preterite second-person singular)
diddymodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
diddymon ni (first-person plural preterite)
diddymoch chi (plural preterite second-person)
diddymon nhw (plural preterite third-person)
diddyma (imperative second-person singular)
diddymwch (imperative plural second-person)
diddymu (mutation mutation-radical)
ddiddymu (mutation mutation-soft)
niddymu (mutation mutation-nasal)


sosej

From English sausage, from Anglo-Norman sausiche, from Late Latin salsīcia, from Latin salsus (“salted”), from sal (“salt”). Doublet of selsig (“sausages”) and halen (“salt”).


uffern

uffern (mutation mutation-radical)
huffern (mutation prothesis-h)

From Middle Welsh uffern, from Proto-Brythonic *ifern, from Vulgar Latin *īferna, from Latin īnferna.

Yffach! Oes rhaid i ti weddi cymaint?

(impolite, sometimes considered vulgar) hell, damn


beic un olwyn

cy-noun

beic un olwyn m (plural beiciau un olwyn)

beiciau un olwyn (plural)
beic un olwyn (mutation mutation-radical)
feic un olwyn (mutation mutation-soft)
meic un olwyn (mutation mutation-nasal)


A diacritical mark of the Latin script, called acen grom (“curved accent”) in Welsh, and found on Â/â, Ê/ê, Î/î, Ô/ô, Û/û, Ŵ/ŵ and Ŷ/ŷ.


paganiaeth

paganiaeth (mutation mutation-radical)
baganiaeth (mutation mutation-soft)
mhaganiaeth (mutation mutation-nasal)
phaganiaeth (mutation mutation-aspirate)

paganism (local religions practiced before the introduction of Christianity)


Bwdhaeth

Bwdhaeth (mutation mutation-radical)
Fwdhaeth (mutation mutation-soft)
Mwdhaeth (mutation mutation-nasal)


cadeirlan

cadeirlannau (plural)
cadeirlan (mutation mutation-radical)
gadeirlan (mutation mutation-soft)
nghadeirlan (mutation mutation-nasal)
chadeirlan (mutation mutation-aspirate)

From cadair (“chair, cathedra”) + llan (“church”).

af

cathedral (principal church of a bishop's diocese)


Eglwys Gatholig Rufeinig

Eglwys Gatholig Rufeinig (mutation mutation-radical)
Heglwys Gatholig Rufeinig (mutation prothesis-h)

/ˈɛɡlʊɪs ɡaˈθɔlɪɡ rəˈvəɪnɪɡ/

Roman Catholic Church
Roman Catholic Church


imâm

imamiaid (plural)
imâm (mutation mutation-radical)
himâm (mutation prothesis-h)

Borrowed from Arabic إِمَام (ʔimām, “leader”).


brawd yng nghyfraith

cy-noun

brawd yng nghyfraith m (plural brodyr yng nghyfraith)

From brawd + yng nghyfraith, a calque of English brother-in-law.


Padrig

Padrig (mutation mutation-radical)
Badrig (mutation mutation-soft)
Mhadrig (mutation mutation-nasal)
Phadrig (mutation mutation-aspirate)

From Middle Welsh Padric, from Latin Patricius.

a male given name from Latin, equivalent to English Patrick


yng nghyfraith

/əŋ ˈŋ̊əvrai̯θ/

/əŋ ˈŋ̊əvrai̯θ/


Ysbryd Glân

yr Ysbryd Glân (canonical masculine)
Ysbryd Glân (mutation mutation-radical)
Hysbryd Glân (mutation prothesis-h)

From Middle Welsh Yspryt Glan, a calque of Latin Spīritus Sānctus, which in turn is a calque of Ancient Greek Πνεῦμα τὸ Ἅγιον (Pneûma tò Hágion), from πνεῦμα (pneûma, “breath, vital force, soul”) + ἅγιος (hágios, “holy”), itself a calque of Biblical Hebrew רוח הקודש / רוּחַ הַקֹּדֶשׁ (rûaḥ ha-qodesh, literally “spirit of holiness”), from רוּחַ (rûaḥ, “wind, breath, spirit”) + קודש / קֹדֶשׁ (qodesh, “holiness”).

der

Πνεῦμα τὸ Ἅγιον

he-l

רוּחַ הַקֹּדֶשׁ

(Christianity) the Holy Spirit, the Holy Ghost (person of the Holy Trinity)


lladrata

lladrataf (first-person future indicative present singular)
lladreti (future indicative present second-person singular)
lladrata (future indicative present singular third-person)
lladratwn (first-person future indicative plural present)
lladretwch (future indicative plural present second-person)
lladratwch (future indicative plural present second-person)
lladratant (future indicative plural present third-person)
lladretir (future impersonal indicative present)
lladratwn (conditional first-person singular)
lladratwn (first-person imperfect indicative singular subjunctive)
lladratit (conditional second-person singular)
lladratit (imperfect indicative second-person singular subjunctive)
lladratai (conditional singular third-person)
lladratai (imperfect indicative singular subjunctive third-person)
lladratem (conditional first-person plural)
lladratem (first-person imperfect indicative plural subjunctive)
lladratech (conditional plural second-person)
lladratech (imperfect indicative plural second-person subjunctive)
lladratent (conditional plural third-person)
lladratent (imperfect indicative plural subjunctive third-person)
lladretid (conditional impersonal)
lladretid (imperfect impersonal indicative subjunctive)
lladretais (first-person preterite singular)
lladretaist (preterite second-person singular)
lladratodd (preterite singular third-person)
lladratasom (first-person plural preterite)
lladratasoch (plural preterite second-person)
lladratasant (plural preterite third-person)
lladratwyd (impersonal preterite)
lladrataswn (first-person pluperfect singular)
lladratasit (pluperfect second-person singular)
lladratasai (pluperfect singular third-person)
lladratasem (first-person pluperfect plural)
lladratasech (pluperfect plural second-person)
lladratasent (pluperfect plural third-person)
lladratasid (impersonal pluperfect)
lladratesid (impersonal pluperfect)
lladratwyf (first-person present singular subjunctive)
lladretych (present second-person singular subjunctive)
lladrato (present singular subjunctive third-person)
lladratom (first-person plural present subjunctive)
lladratoch (plural present second-person subjunctive)
lladratont (plural present subjunctive third-person)
lladrater (impersonal present subjunctive)
lladrata (imperative second-person singular)
lladrated (imperative singular third-person)
lladratwn (first-person imperative plural)
lladretwch (imperative plural second-person)
lladratwch (imperative plural second-person)
lladratent (imperative plural third-person)
lladrater (imperative impersonal)
lladrata (noun-from-verb)
lladratedig (participle)
lladratadwy (participle)
lladrata i (first-person future singular)
lladrataf i (first-person future singular)
lladrati di (future second-person singular)
lladratith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
lladratiff e (future singular third-person)
lladratwn ni (first-person future plural)
lladratwch chi (future plural second-person)
lladratan nhw (future plural third-person)
lladratwn i (conditional first-person singular)
lladratswn i (conditional first-person singular)
lladratet ti (conditional second-person singular)
lladratset ti (conditional second-person singular)
lladratai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
lladratsai fo (conditional singular third-person)
lladraten ni (conditional first-person plural)
lladratsen ni (conditional first-person plural)
lladratech chi (conditional plural second-person)
lladratsech chi (conditional plural second-person)
lladraten nhw (conditional plural third-person)
lladratsen nhw (conditional plural third-person)
lladratais i (first-person preterite singular)
lladrates i (first-person preterite singular)
lladrataist ti (preterite second-person singular)
lladratest ti (preterite second-person singular)
lladratodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
lladraton ni (first-person plural preterite)
lladratoch chi (plural preterite second-person)
lladraton nhw (plural preterite third-person)
lladrata (imperative second-person singular)
lladratwch (imperative plural second-person)
lladrata (mutation mutation-radical)
ladrata (mutation mutation-soft)


canolfan iechyd

cy-noun

canolfan iechyd f (plural canolfannau iechyd)

canolfannau iechyd (plural)
canolfan iechyd (mutation mutation-radical)
ganolfan iechyd (mutation mutation-soft)
nghanolfan iechyd (mutation mutation-nasal)
chanolfan iechyd (mutation mutation-aspirate)


mudydd

mudyddion (plural)
mudydd (mutation mutation-radical)
fudydd (mutation mutation-soft)


dyfais

dyfeisiau (plural)
dyfais (mutation mutation-radical)
ddyfais (mutation mutation-soft)
nyfais (mutation mutation-nasal)


cerflun

cerfluniau (plural)
cerflun (mutation mutation-radical)
gerflun (mutation mutation-soft)
ngherflun (mutation mutation-nasal)
cherflun (mutation mutation-aspirate)


paentiad

paentiadau (plural)
paentiad (mutation mutation-radical)
baentiad (mutation mutation-soft)
mhaentiad (mutation mutation-nasal)
phaentiad (mutation mutation-aspirate)

painting (illustration or artwork using paint)

painting (action of applying paint; artistic application of paint)


hunangofiant

hunangofiant m (plural hunangofiannau or hunangofiaint, not mutable)

hunangofiannau (plural)
hunangofiaint (plural)

From hunan (“self”) + cofiant (“biography”), from cof (“memory”).


stiwdio

stiwdio f (plural stiwdios or stiwdioau, not mutable)

From English studio, from Italian studio, from Latin studium. Doublet of stydi.

studio (place where radio or television programs, records or films are made; establishment where an art is taught; artist’s or photographer’s workshop)


offrymiad

offrymiadau (plural)
offrymiad (mutation mutation-radical)
hoffrymiad (mutation prothesis-h)

(Christianity) offertory (part of the Eucharist service when offerings of bread and wine are placed on the altar and when any collection is taken)


llwydni

llwydni (mutation mutation-radical)
lwydni (mutation mutation-soft)


Coread

Coreaid (plural)
Coread (mutation mutation-radical)
Goread (mutation mutation-soft)
Nghoread (mutation mutation-nasal)
Choread (mutation mutation-aspirate)


Celyn

Celyn (mutation mutation-radical)
Gelyn (mutation mutation-soft)
Nghelyn (mutation mutation-nasal)
Chelyn (mutation mutation-aspirate)

From celyn (“holly”); perhaps a semantic loan from English Holly.

a female given name, equivalent to English Holly


Argoed

Argoed (mutation mutation-radical)
Hargoed (mutation prothesis-h)


didolnod

didolnodau (plural)
didolnod (mutation mutation-radical)
ddidolnod (mutation mutation-soft)
nidolnod (mutation mutation-nasal)


eb.

Coordinate term: eg.

(grammar) Abbreviation of enw benywaidd (“feminine noun”).


bnth.

(grammar) Abbreviation of benthyciad (“loanword”).


Aeron

Aeron (mutation mutation-radical)
Haeron (mutation prothesis-h)

a unisex given name from aer (“battle”) or aeron (“berries”)


byngalo

byngalos (plural)
byngalo (mutation mutation-radical)
fyngalo (mutation mutation-soft)
myngalo (mutation mutation-nasal)

From English bungalow, from Hindustani बंगला (baṅglā) / بَن٘گْلَہ (banglā), referring to the Bengali-style house.


adf.

(grammar) Abbreviation of adferf (“adverb”).


Perseg

Perseg (mutation mutation-radical)
Berseg (mutation mutation-soft)
Mherseg (mutation mutation-nasal)
Pherseg (mutation mutation-aspirate)


arddegyn

arddegion (plural)
arddegyn (mutation mutation-radical)
harddegyn (mutation prothesis-h)


Arabeg

Arabeg (mutation mutation-radical)
Harabeg (mutation prothesis-h)


gaing

geingiau (plural)
geingion (plural)
gaing (mutation mutation-radical)
aing (mutation mutation-soft)
ngaing (mutation mutation-nasal)


rhandy

rhandai (plural)
rhandy (mutation mutation-radical)
randy (mutation mutation-soft)

From rhan (“share, part”) + tŷ (“house”).


silindr mesur

silindr mesur m (plural silindrau mesur, not mutable)


labordy

labordy m (plural labordai, not mutable)

From English labor(atory) + tŷ (“house”).


ffiseg

From English physics + -eg, the former from Old French fisike (“natural science, art of healing”), from Latin physica (“study of nature”), from Ancient Greek φυσική (phusikḗ), feminine singular of φυσικός (phusikós, “natural; physical”), from Ancient Greek φύσις (phúsis, “origin; nature, property”), from Ancient Greek φύω (phúō, “produce; bear; grow”), ultimately from Proto-Indo-European *bʰuH- (“to appear, become, rise up”).


silindr

cy-noun

silindr m (plural silindrau, not mutable)

From English cylinder, from Middle French chilindre, cylindre, from Latin cylindrus, from Ancient Greek κύλινδρος (kúlindros).


ymbelydredd

ymbelydredd (mutation mutation-radical)
hymbelydredd (mutation prothesis-h)


llosgydd Bunsen

llosgydd Bunsen m (plural llosgyddion Bunsen)

llosgyddion Bunsen (plural)
llosgydd Bunsen (mutation mutation-radical)
losgydd Bunsen (mutation mutation-soft)

/ˌɬɔsɡɨ̞ð ˈbənsən/

[ˌɬɔskɨ̞ð ˈbənsən]

/ˌɬɔsɡɪð ˈbənsən/

[ˌɬɔskɪð ˈbənsən]


adweithio

cy-verb

adweithio (first-person singular present adweithiaf)

adweithiaf (first-person present singular)
adweithiaf (first-person future indicative present singular)
adweithi (future indicative present second-person singular)
adweithia (future indicative present singular third-person)
adweithiwn (first-person future indicative plural present)
adweithiwch (future indicative plural present second-person)
adweithiant (future indicative plural present third-person)
adweithir (future impersonal indicative present)
adweithiwn (conditional first-person singular)
adweithiwn (first-person imperfect indicative singular)
adweithit (conditional second-person singular)
adweithit (imperfect indicative second-person singular)
adweithiai (conditional singular third-person)
adweithiai (imperfect indicative singular third-person)
adweithiem (conditional first-person plural)
adweithiem (first-person imperfect indicative plural)
adweithiech (conditional plural second-person)
adweithiech (imperfect indicative plural second-person)
adweithient (conditional plural third-person)
adweithient (imperfect indicative plural third-person)
adweithid (conditional impersonal)
adweithid (imperfect impersonal indicative)
adweithiais (first-person preterite singular)
adweithiaist (preterite second-person singular)
adweithiodd (preterite singular third-person)
adweithiasom (first-person plural preterite)
adweithiasoch (plural preterite second-person)
adweithiasant (plural preterite third-person)
adweithiwyd (impersonal preterite)
adweithiaswn (first-person pluperfect singular)
adweithiasit (pluperfect second-person singular)
adweithiasai (pluperfect singular third-person)
adweithiasem (first-person pluperfect plural)
adweithiasech (pluperfect plural second-person)
adweithiasent (pluperfect plural third-person)
adweithiasid (impersonal pluperfect)
adweithiesid (impersonal pluperfect)
adweithiwyf (first-person present singular subjunctive)
adweithiech (present second-person singular subjunctive)
adweithio (present singular subjunctive third-person)
adweithiom (first-person plural present subjunctive)
adweithioch (plural present second-person subjunctive)
adweithiont (plural present subjunctive third-person)
adweithier (impersonal present subjunctive)
adweithia (imperative second-person singular)
adweithied (imperative singular third-person)
adweithiwn (first-person imperative plural)
adweithiwch (imperative plural second-person)
adweithient (imperative plural third-person)
adweithier (imperative impersonal)
adweithio (noun-from-verb)
adweithiedig (participle)
adweithiadwy (participle)
adweithia i (first-person future singular)
adweithiaf i (first-person future singular)
adweithi di (future second-person singular)
adweithith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
adweithiff e (future singular third-person)
adweithiwn ni (first-person future plural)
adweithiwch chi (future plural second-person)
adweithian nhw (future plural third-person)
adweithiwn i (conditional first-person singular)
adweithiswn i (conditional first-person singular)
adweithiet ti (conditional second-person singular)
adweithiset ti (conditional second-person singular)
adweithiai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
adweithisai fo (conditional singular third-person)
adweithien ni (conditional first-person plural)
adweithisen ni (conditional first-person plural)
adweithiech chi (conditional plural second-person)
adweithisech chi (conditional plural second-person)
adweithien nhw (conditional plural third-person)
adweithisen nhw (conditional plural third-person)
adweithiais i (first-person preterite singular)
adweithies i (first-person preterite singular)
adweithiaist ti (preterite second-person singular)
adweithiest ti (preterite second-person singular)
adweithiodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
adweithion ni (first-person plural preterite)
adweithioch chi (plural preterite second-person)
adweithion nhw (plural preterite third-person)
adweithia (imperative second-person singular)
adweithiwch (imperative plural second-person)

From ad- + gweithio; calque of English react.


esblygiad

esblygiadau (plural)
esblygiad (mutation mutation-radical)
hesblygiad (mutation prothesis-h)

From esblygu (“to evolve”) (from es- + plygu (“to fold”)) + -iad.


seryddiaeth

/sɛˈrəðjaɨ̯θ/

From serydd (“astronomer”) (from sêr (“stars”) + -ydd) + -iaeth.

astronomy (study of the physical universe beyond the Earth's atmosphere)


twll du

tyllau duon (plural)
twll du (mutation mutation-radical)
dwll du (mutation mutation-soft)
nhwll du (mutation mutation-nasal)
thwll du (mutation mutation-aspirate)


damcaniaeth

damcaniaethau (plural)
damcaniaeth (mutation mutation-radical)
ddamcaniaeth (mutation mutation-soft)
namcaniaeth (mutation mutation-nasal)


dilyw

dilywiau (plural)
dilyw (mutation mutation-radical)
ddilyw (mutation mutation-soft)
nilyw (mutation mutation-nasal)

From Middle Welsh dilyw, from Proto-Brythonic *dilüw, from Latin dīluvium.


Cysawd yr Haul

Cysawd yr Haul (mutation mutation-radical)
Gysawd yr Haul (mutation mutation-soft)
Nghysawd yr Haul (mutation mutation-nasal)
Chysawd yr Haul (mutation mutation-aspirate)