y

yau (plural)
y (mutation mutation-radical)
hy (mutation prothesis-h)

The name of the Latin-script letter Y/y.


en

eniau (plural)
en (mutation mutation-radical)
hen (mutation prothesis-h)

The name of the Latin-script letter N/n.


i

ïau (plural)
i (mutation mutation-radical)
hi (mutation prothesis-h)

The name of the Latin-script letter I/i.


o

oau (plural)
o (mutation mutation-radical)
ho (mutation prothesis-h)

The name of the Latin-script letter O/o.


el

eliau (plural)
el (mutation mutation-radical)
hel (mutation prothesis-h)

The name of the Latin-script letter L/l.


pi

The name of the Latin-script letter P/p.


er

eriau (plural)
er (mutation mutation-radical)
her (mutation prothesis-h)

See the etymology of the corresponding lemma form.

nonlemma

The name of the Latin-script letter R/r.


bi

The name of the Latin-script letter B/b.


w

ŵau (plural)
w (mutation mutation-radical)
hw (mutation prothesis-h)

The name of the Latin-script letter W/w.


e

eau (plural)
e (mutation mutation-radical)
he (mutation prothesis-h)

The name of the Latin-script letter E/e.


u

uau (plural)
u (mutation mutation-radical)
hu (mutation prothesis-h)

The name of the Latin-script letter U/u.


eng

engiau (plural)
èng (mutation mutation-radical)
hèng (mutation prothesis-h)

The name of the Latin-script letter Ng/ng.


em

emiau (plural)
em (mutation mutation-radical)
hem (mutation prothesis-h)

The name of the Latin-script letter M/m.


ce

The name of the Latin-script letter K/k.


ti

The name of the Latin-script letter T/t.


je

The name of the Latin-script letter J/j.


Celt

cy-noun

Celt m (plural Celtiaid, feminine Celtes)

Celtiaid (plural)
Celtes (feminine)
Celt (mutation mutation-radical)
Gelt (mutation mutation-soft)
Nghelt (mutation mutation-nasal)
Chelt (mutation mutation-aspirate)


di

The name of the Latin-script letter D/d.


capel

capel m (plural capeli or capelau or capelydd or capeloedd)

capeli (plural)
capelau (plural)
capelydd (plural)
capeloedd (plural)
capel (mutation mutation-radical)
gapel (mutation mutation-soft)
nghapel (mutation mutation-nasal)
chapel (mutation mutation-aspirate)

From Middle Welsh capel, borrowed from Late Latin cappella (“little cloak; chapel”), diminutive of Latin cappa (“cloak, cape”).


Cymraeg

cy-adj

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

Cymraeg (feminine singular)
Cymraeg (plural)
Cymraeg (mutation mutation-radical)
Gymraeg (mutation mutation-soft)
Nghymraeg (mutation mutation-nasal)
Chymraeg (mutation mutation-aspirate)

Mae'n gweithio i'r wasg Gymraeg.

He/She works for the Welsh (language) press.

Welsh, Welsh-language (with reference to the language only, not the nationality)

Mae'n dod o deulu Cymraeg.

He/She comes from a Welsh-speaking family.


Andreas

Andreas (mutation mutation-radical)
Handreas (mutation prothesis-h)

a male given name from Ancient Greek Ἀνδρέᾱς (Andréās), equivalent to English Andrew


Arwel

Arwel (mutation mutation-radical)
Harwel (mutation prothesis-h)


Iesu

Iesu (mutation mutation-radical)
Hiesu (mutation prothesis-h)


fi

The name of the Latin-script letter V/v.


Cymreig

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

Cymreig (feminine singular)
Cymreig (plural)
Cymreig (mutation mutation-radical)
Gymreig (mutation mutation-soft)
Nghymreig (mutation mutation-nasal)
Chymreig (mutation mutation-aspirate)

From Proto-Brythonic *kumrėɣig, from *kömroɣ (“comrade, compatriot”), equivalent to Cymro (“Welshman”) + -eg (“of a language”).

suffix

Welsh; of Wales or the Welsh culture (but not of the Welsh language)


eglwys

eglwysi (plural)
eglwysydd (plural)
eglwys (mutation mutation-radical)
heglwys (mutation prothesis-h)

From Proto-Brythonic *egluɨs (compare Cornish eglos, Breton iliz), borrowed from Latin ecclēsia (“church”), from Ancient Greek ἐκκλησίᾱ (ekklēsíā).


betws

betysau (plural)
betws (mutation mutation-radical)
fetws (mutation mutation-soft)
metws (mutation mutation-nasal)

From Middle Welsh betws, borrowed from Old English bedhūs (“house of prayer”, literally “bede-house”).


llan

llannau (plural)
llan (mutation mutation-radical)
lan (mutation mutation-soft)

From Middle Welsh llann, from Proto-Brythonic *llann, from Proto-Celtic *landā, from Proto-Indo-European *lendʰ- (“land, heath”).


Megan

Megan (mutation mutation-radical)
Fegan (mutation mutation-soft)

Originally a Welsh pet form of English Margaret, probably from Meg + -an (a diminutive suffix used to form pet names), now often used as an independent given name.


Arthur

Arthur (mutation mutation-radical)
Harthur (mutation prothesis-h)


Lowri

a female given name, equivalent to English Laura


Awen

Awen (mutation mutation-radical)
Hawen (mutation prothesis-h)

a female given name, meaning inspiration


Ann

Ann (mutation mutation-radical)
Hann (mutation prothesis-h)

חַנָּה חנה#Hebrew

a female given name from Ancient Greek Ἄννα (Ánna) [in turn from Hebrew חַנָּה (“Hana”)]


Alan

Alan (mutation mutation-radical)
Halan (mutation prothesis-h)

a male given name, feminine equivalent Alana


Nest

One variant name of the daughter of Gruffudd ap Cynan.


Morgan

Morgan (mutation mutation-radical)
Forgan (mutation mutation-soft)

From Old Welsh Morcant, possibly from mor (“sea”) (Welsh môr) or maur (“great”) (Welsh mawr) + cant (“circle”) (Welsh cant), meaning “great chief” or “sea chief”.


Anna

Anna (mutation mutation-radical)
Hanna (mutation prothesis-h)

From Latin Anna, from Ancient Greek Ἄννα (Ánna), from Biblical Hebrew חַנָּה (ḥannâ, literally “grace, gracious”).

der

חַנָּה חנה#Hebrew


Mari

Mari (mutation mutation-radical)
Fari (mutation mutation-soft)

a female given name, equivalent to English Mary

plant Mari

derogatory term for Roman Catholics or the Irish, "Mary's children"


Aran

Aran (mutation mutation-radical)
Haran (mutation prothesis-h)

a male given name transferred from the place name


Alec

Alec (mutation mutation-radical)
Halec (mutation prothesis-h)

a male given name from Ancient Greek Ἀλέξανδρος (Aléxandros)


a

âu (plural)
a (mutation mutation-radical)
ha (mutation prothesis-h)

The name of the Latin-script letter A/a.


Saesneg

From Middle Welsh Saesnec, from Proto-Brythonic *saxsneg, from Latin saxonica (lingua) (“Saxon (language)”). Equivalent to Saeson (“English people”) + -eg (language suffix).


Arial

Arial (mutation mutation-radical)
Harial (mutation prothesis-h)

a male given name from arial (“vigour”); variant form Ariel


Deiniol

a male given name, equivalent to English Daniel


Ariel

Ariel (mutation mutation-radical)
Hariel (mutation prothesis-h)

a male given name from arial (“vigour”), variant of Arial


Agnes

Agnes (mutation mutation-radical)
Hagnes (mutation prothesis-h)

a female given name from Ancient Greek ἁγνός (hagnós, “pure”)


Hywel

→ English: Howell, Howel

→ English: Huell

→ English: Powell (< ap Hywel)

Equivalent to hy- (“good”) + gwêl (“sight”)

a male given name meaning eminent or conspicuous


Amos

Amos (mutation mutation-radical)
Hamos (mutation prothesis-h)

עָמוֹס עמוס#Hebrew

a male given name from Hebrew עָמוֹס (“to carry a burden”), equivalent to English Amos


Aidan

Aidan (mutation mutation-radical)
Haidan (mutation prothesis-h)

a male given name from Old Irish áed (“fire”)


Gwen

Gwen (mutation mutation-radical)
Wen (mutation mutation-soft)
Ngwen (mutation mutation-nasal)

From *windā 'white', feminine form of Proto-Celtic *windos. Cf. Welsh gwyn.

a female given name, the feminine form of Gwyn


Elgan

Elgan (mutation mutation-radical)
Helgan (mutation prothesis-h)


Dafydd

English: Taffy

Dafydd (mutation mutation-radical)
Ddafydd (mutation mutation-soft)
Nafydd (mutation mutation-nasal)

From Koine Greek Δαυίδ (Dauíd), Δαβίδ (Dabíd), from Biblical Hebrew דּוד (Dāwîḏ).

a male given name from Hebrew, the Welsh version of David


Gwynedd

Gwynedd (mutation mutation-radical)
Wynedd (mutation mutation-soft)
Ngwynedd (mutation mutation-nasal)

From the name of the area of Wales, or perhaps from gwyn (“white, fair”).


Aiden

Aiden (mutation mutation-radical)
Haiden (mutation prothesis-h)


Alwyn

Alwyn (mutation mutation-radical)
Halwyn (mutation prothesis-h)

From Old English Æþelwine, from æþel (“noble”) + wine (“friend”), or from al (“great”) + gwyn (“white, blessed”).

a male given name, feminine equivalent Alwen, Alwena, or Alwina.


Alban

Alban (mutation mutation-radical)
Halban (mutation prothesis-h)

a male given name from Old Irish Albu (“Scotland”)


Gwener

Gwener (mutation mutation-radical)
Wener (mutation mutation-soft)
Ngwener (mutation mutation-nasal)

From Proto-Brythonic *gwener, from Latin Venus. Compare Breton Gwener, Cornish Gwener.


Carys

Carys (mutation mutation-radical)
Garys (mutation mutation-soft)
Ngharys (mutation mutation-nasal)
Charys (mutation mutation-aspirate)


Cerys

Cerys (mutation mutation-radical)
Gerys (mutation mutation-soft)
Ngherys (mutation mutation-nasal)
Cherys (mutation mutation-aspirate)


synagog

cy-noun

synagog m (plural synagogau, not mutable)

/ˈsɨ̞naˌɡɔɡ/

From Middle Welsh synagoc, from Middle English synagoge, from Old French synagoge, from Latin synagōga, from Ancient Greek συναγωγή (sunagōgḗ).


Iwan

From Latin Iōannēs, from Ancient Greek Ἰωάννης (Iōánnēs), from Biblical Hebrew יוֹחָנָן (Yôḥānān, literally “God is gracious”). Doublet of Ifan and Siôn.

der

a male given name from Hebrew, equivalent to English John


Angharad

Angharad (mutation mutation-radical)
Hangharad (mutation prothesis-h)

From Proto-Celtic intensive prefix *an(a)- + root *kar-ayo- (“love”) + the noun suffix *-at.


Rhian

Rhian (mutation mutation-radical)
Rian (mutation mutation-soft)

From rhiain (“maiden”), from Middle Welsh riein, first used in fiction.


Pedr

Pedr (mutation mutation-radical)
Bedr (mutation mutation-soft)
Mhedr (mutation mutation-nasal)
Phedr (mutation mutation-aspirate)

From Latin Petrus, from Ancient Greek Πέτρος (Pétros), from πέτρος (pétros, “stone, rock”), related to πέτρα (pétra).

a male given name, equivalent to English Peter


Gwyneira

Gwyneira (mutation mutation-radical)
Wyneira (mutation mutation-soft)
Ngwyneira (mutation mutation-nasal)

From gwyn (“white, fair”) + eira (“snow”).


Siân

English: Sian

a female given name from Hebrew, equivalent to English Jane


Trefor

Trefor (mutation mutation-radical)
Drefor (mutation mutation-soft)
Nhrefor (mutation mutation-nasal)
Threfor (mutation mutation-aspirate)

From Welsh tref (“village”) and mawr (“big, great”).

a male given name, equivalent to English Trevor


Siwan

a female given name, equivalent to English Joan


Gwyneth

Gwyneth (mutation mutation-radical)
Wyneth (mutation mutation-soft)
Ngwyneth (mutation mutation-nasal)

From Gwynedd, an area of Wales, or perhaps from Welsh gwyn (“white; fair”).


Bronwen

→ English: Bronwen, Bronwyn

Bronwen (mutation mutation-radical)
Fronwen (mutation mutation-soft)
Mronwen (mutation mutation-nasal)


Siôn

Borrowed from English John, from Late Latin Iōhannēs, from Koine Greek Ἰωάννης (Iōánnēs), from Biblical Hebrew יוֹחָנָן (Yōḥānān). Doublet of Ifan and Iwan.


Gwendolen

Gwendolen (mutation mutation-radical)
Wendolen (mutation mutation-soft)
Ngwendolen (mutation mutation-nasal)

From gwen (“white, fair, blessed”) + dolen (“ring, bow, hair, brow”).


Ioan

Borrowed from Late Latin Iōannēs, from Koine Greek Ἰωάννης (Iōánnēs), from Biblical Hebrew יוֹחָנָן (Yōḥānān).


Gruffudd

→ English: Griffith, Griffin, Griffiths

Gruffudd (mutation mutation-radical)
Ruffudd (mutation mutation-soft)
Ngruffudd (mutation mutation-nasal)

From Middle Welsh Gripiud, from Proto-Brythonic *Grifujʉð.

a male given name from Old Welsh, borne by ancient kings of Wales


Gwenfrewi

A saint's name, from gwen (“white, fair, blessed”) + ffrwd (“brook, stream”).


Dylan

Dylan (mutation mutation-radical)
Ddylan (mutation mutation-soft)
Nylan (mutation mutation-nasal)


Alana

Alana (mutation mutation-radical)
Halana (mutation prothesis-h)

a female given name, masculine equivalent Alan


Anita

Anita (mutation mutation-radical)
Hanita (mutation prothesis-h)


Rhys

English surnames: Price, Reece, Rees, Reese, Rice

Rhys (mutation mutation-radical)
Rys (mutation mutation-soft)

From Old Welsh Ris (“ardor, fiery warrior”), ultimately from Proto-Indo-European *Hreth₂- (“to run”). Related to modern rhysfa (“attack”), rhys (“war hammer”), though these could have originated from the name.

a male given name from Old Welsh used in Wales since the Middle Ages


Anni

Anni (mutation mutation-radical)
Hanni (mutation prothesis-h)


Catrin

Catrin (mutation mutation-radical)
Gatrin (mutation mutation-soft)
Nghatrin (mutation mutation-nasal)
Chatrin (mutation mutation-aspirate)

a female given name, equivalent to English Catherine


Ania

Ania (mutation mutation-radical)
Hania (mutation prothesis-h)

a female given name from Russian Аня (Anja), equivalent to English Anya


Lladin

From Latin (lingua) Latina, from Latium.


ès

esau (plural)
esys (plural)
ès (mutation mutation-radical)
hès (mutation prothesis-h)

The name of the Latin-script letter S/s.


Aron

Aron (mutation mutation-radical)
Haron (mutation prothesis-h)

a male given name from Hebrew ʾAhărōn, equivalent to English Aaron


Angell

Angell (mutation mutation-radical)
Hangell (mutation prothesis-h)

a unisex given name from angell (“arm, leg, limb”)


Llydaweg

Llydaweg (mutation mutation-radical)
Lydaweg (mutation mutation-soft)


Gweddi'r Arglwydd

Gweddi’r Arglwydd (canonical feminine)
Gweddi'r Arglwydd (mutation mutation-radical)
Weddi'r Arglwydd (mutation mutation-soft)
Ngweddi'r Arglwydd (mutation mutation-nasal)

/ˌɡwɛðɪr ˈarɡluɨ̯ð/


Ffrances

cy-noun

Ffrances f (plural Ffrancesau, not mutable)


Ffrengig

cy-adj

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

Ffrengig (feminine singular)
Ffrengig (plural)

French, pertaining to France (but not the language)


Ffrancwr

cy-noun

Ffrancwr m (plural Ffrancwyr, not mutable)


Saesnes

Saesnes f (plural Saesnesau, not mutable)


Sais

Sais m (plural Saeson, feminine Saesnes, not mutable)

From Middle Welsh Seis, from Proto-Brythonic *Sėɨs, borrowed from Latin Saxō. Cognate with Cornish Sows, Breton Saoz. Doublet of Sacson.


Andras

Andras (mutation mutation-radical)
Handras (mutation prothesis-h)

a male given name from Ancient Greek Ἀνδρέᾱς (Andréās), equivalent to English Andrew


Cadan

Cadan (mutation mutation-radical)
Gadan (mutation mutation-soft)
Nghadan (mutation mutation-nasal)
Chadan (mutation mutation-aspirate)


ỳ

The name of the Latin-script letter Y/y.


ec

eciau (plural)
ec (mutation mutation-radical)
hec (mutation prothesis-h)

The name of the Latin-script letter C/c.


Alwina

Alwina (mutation mutation-radical)
Halwina (mutation prothesis-h)

Alternative form of Alwena: a female given name, masculine equivalent Alwyn


Rhufeiniwr

Rhufeinwyr (plural)
Rhufeiniwr (mutation mutation-radical)
Rufeiniwr (mutation mutation-soft)


Rhufeiniad

Rhufeiniaid (plural)
Rhufeiniad (mutation mutation-radical)
Rufeiniad (mutation mutation-soft)


Alys

Alys (mutation mutation-radical)
Halys (mutation prothesis-h)

From Old French Alys, Alice, from Old High German Adalheidis, from Proto-Germanic *aþalaz (“noble”) + *haiduz (“character”).

a female given name, equivalent to English Alice


Llywelyn

Llywelyn (mutation mutation-radical)
Lywelyn (mutation mutation-soft)

/ɬəu̯ˈɛlɨ̞n/

/ɬəu̯ˈeːlɪn/

Old Welsh name, from Proto-Brythonic *Lluɣβelen (compare Latinized Lugubelenus), from Proto-Celtic *Lugus + *Belinos, whose origin is disputed; see Belenus.


Gwenog

Gwenog (mutation mutation-radical)
Wenog (mutation mutation-soft)
Ngwenog (mutation mutation-nasal)


Owain

Owain (mutation mutation-radical)
Howain (mutation prothesis-h)

From Middle Welsh Owein, Ewein, from Old Welsh Ougein, Eugein, from Proto-Brythonic *Awɨɣėn. Cognate with Breton Yven, Ivin, Old Irish Úgaine, Augaine.

a male given name from Old Welsh, often anglicised as Owen


Eidaleg

Eidaleg (mutation mutation-radical)
Heidaleg (mutation prothesis-h)


Cernyweg

Cernyweg (mutation mutation-radical)
Gernyweg (mutation mutation-soft)
Nghernyweg (mutation mutation-nasal)
Chernyweg (mutation mutation-aspirate)


Myfanwy

→ Breton: Mevanwi

→ English: Myfanwy


Aur

Aur (mutation mutation-radical)
Haur (mutation prothesis-h)


Ariannin

yr Ariannin (canonical feminine)
Ariannin (mutation mutation-radical)
Hariannin (mutation prothesis-h)

From arian (“silver”) + -in, a calque of Spanish Argentina.

a female given name transferred from the place name


Huw

English: Huw


Dewi

Dewi (mutation mutation-radical)
Ddewi (mutation mutation-soft)
Newi (mutation mutation-nasal)

An older variant of Dafydd. Cognate with English David.

Dewi Sant yw nawddsant Cymru.

Saint David is the patron saint of Wales.

a male given name from Old Welsh, equivalent to English David


Rhodri

Rhodri (mutation mutation-radical)
Rodri (mutation mutation-soft)


rhi

rhiau (plural)
rhi (mutation mutation-radical)
ri (mutation mutation-soft)

The name of the Latin-script letter Rh/rh.


Tegwen

From teg (“fair”) + gwen (“blessed”) in the 19th century.


Ceri

Ceri (mutation mutation-radical)
Geri (mutation mutation-soft)
Ngheri (mutation mutation-nasal)
Cheri (mutation mutation-aspirate)


Gŵyr

Gŵyr (mutation mutation-radical)
Ŵyr (mutation mutation-soft)
Ngŵyr (mutation mutation-nasal)


Brenin Arthur

Probably from Welsh arth (“bear”), from Proto-Celtic *artos (“bear”). Other suggestions include Old Welsh arth (“bear”) + gur (“man”), or a Latinized (Romano-British) name; cf. Latin Artorius, possibly of Etruscan origin ultimately.


Annes

Annes (mutation mutation-radical)
Hannes (mutation prothesis-h)

One variant name of the daughter of Gruffudd ap Cynan.


Rhianwen

Rhianwen (mutation mutation-radical)
Rianwen (mutation mutation-soft)

From rhiain wen (literally “fair maiden”).


Adda

Adda (mutation mutation-radical)
Hadda (mutation prothesis-h)

אדום אדום#Hebrew

a male given name from Hebrew אדום (“red”), equivalent to English Adam


Rhiannon

Rhiannon (mutation mutation-radical)
Riannon (mutation mutation-soft)

From Middle Welsh Rhiannon, from riein (“maiden”) (modern rhiain), first used in fiction.


Alis

Alis (mutation mutation-radical)
Halis (mutation prothesis-h)


Arianrhod

Arianrhod (mutation mutation-radical)
Harianrhod (mutation prothesis-h)

From Middle Welsh Aryanrot, Aranrot (literally “silver wheel”), from ariant (“silver”), from Proto-Brythonic *arɣant + rot, rod (“wheel”), from *rrod (“wheel, chariot”).


Mair

Mair (mutation mutation-radical)
Fair (mutation mutation-soft)

a female given name, equivalent to English Mary

brithyll Mair

five-bearded rockling, Ciliata mustela (syn. Motella mustela)

cannwyll Fair

corpse-candle; marigold, Marybud, Calendula officinalis

cribau Mair

milk thistle, Mary thistle Silybum marianum

esgid Fair

lady’s slipper orchid (Cypripedium calceolus)

gwallt Mair

maidenhair fern (Adiantum capillus-veneris); maidenhair spleenwort (Asplenium trichomanes)

gwlydd Mair

scarlet pimpernel (Anagallis arvensis); burnet-saxifrage, (Pimpinella saxifraga)

gŵyl Fair y Gwirodau

a festival of the Virgin Mary at which much drink was consumed

llopan Fair

lady’s slipper orchid, Cypripedium calceolus

llysiau bronnau Mair

lesser celandine, Ficaria verna (syn. Ranunculus ficaria); lungwort, Pulmonaria officinalis

llysiau Mair

marigold, Calendula officinalis; bugle, Ajuga reptans

llysiau Mair Fadlen

costmary, Tanacetum balsamita (syn. Chrysanthemum balsamita); sweet maudlin, Achillea ageratum; wild carrot, Daucus carota

menyg Mair

foxglove, Digitalis purpurea; mullein, Verbascum

mantell Fair

lady’s mantle, Alchemilla vulgaris; ground-ivy, Glechoma hederacea

mieri Mair

sweet briar (Rosa rubiginosa, syn. Rosa eglanteria)

mintys Mair

clary, Salvia sclarea; spearmint, Mentha spicata; costmary, Tanacetum balsamita (syn. Chrysanthemum balsamita)

mwyar Mair

mulberries, Morus; dewberries, Rubus caesius

rhedyn Mair

lady ferns; male ferns; mountain ferns; lemon-scented ferns; polypody; sweet cicely

rhos Mair

rosemary (Salvia rosmarinus, syn. Rosmarinus officinalis); dog rose, Rosa canina

rhosyn Mair

rosemary (Salvia rosmarinus, syn. Rosmarinus officinalis); Damask rose, Rosa × damascena

tafol Mair

patience dock (Rumex patientia); bloody dock (Rumex sanguineus); clustered dock, Rumex conglomeratus; common sorrel (Rumex acetosa); bistort (Bistorta officinalis, syn. Persicaria bistorta)

ysgol Fair

Saint John’s wort (Hypericum perforatum)


Groeg

Groeg (mutation mutation-radical)
Roeg (mutation mutation-soft)
Ngroeg (mutation mutation-nasal)


Gwydion

Gwydion (mutation mutation-radical)
Wydion (mutation mutation-soft)
Ngwydion (mutation mutation-nasal)


Hwngareg

/hʊŋˈɡa(ː)rɛɡ/


Gwenhwyfar

From Middle Welsh Gwenhwyfar, from Old Welsh Guinhuimar, from Proto-Brythonic *Gwɨnnohuɨβar.

a female given name, equivalent to English Guinevere


èch

echiau (plural)
èch (mutation mutation-radical)
hèch (mutation prothesis-h)

The name of the Latin-script letter Ch/ch.


ffi

The name of the Latin-script letter Ph/ph.


èdd

eddiau (plural)
èdd (mutation mutation-radical)
hèdd (mutation prothesis-h)

The name of the Latin-script letter Dd/dd.


Emrys

Emrys (mutation mutation-radical)
Hemrys (mutation prothesis-h)

From Proto-Brythonic *Ėmrös, from Latin Ambrosius, from Ancient Greek ἀμβρόσιος (ambrósios, “immortal, divine”).

der

a male given name from Ancient Greek, equivalent to English Ambrose


Daneg

Daneg (mutation mutation-radical)
Ddaneg (mutation mutation-soft)
Naneg (mutation mutation-nasal)


Aman

Aman (mutation mutation-radical)
Haman (mutation prothesis-h)

a male given name transferred from the place name


Macsen

Latin Maximus, specifically from 4th-century Roman co-emperor Magnus Maximus (in Welsh known as Macsen Wledig.

a male given name, equivalent to English Maximus


Ifan

→ English: Evan

From Latin Iōannēs, from Ancient Greek Ἰωάννης (Iōánnēs), from Biblical Hebrew יוֹחָנָן (Yôḥānān, literally “God is gracious”). Doublet of Iwan and Siôn.

a male given name from Hebrew, equivalent to English John


Ieuan

From Latin Iōannēs, from Ancient Greek Ἰωάννης (Iōánnēs), from Biblical Hebrew יוֹחָנָן (Yôḥānān, literally “God is gracious”).


Jac

a male given name, equivalent to English Jack


Andro

Andro (mutation mutation-radical)
Handro (mutation prothesis-h)

a male given name from Ancient Greek Ἀνδρέᾱς (Andréās), equivalent to English Andrew


Portiwgaleg

Portiwgaleg (mutation mutation-radical)
Bortiwgaleg (mutation mutation-soft)
Mhortiwgaleg (mutation mutation-nasal)
Phortiwgaleg (mutation mutation-aspirate)

/ˌpɔrtɪu̯ˈɡalɛɡ/

Dw i'n medru siarad Saeseg a Phortiwgaleg.


Anona

Anona (mutation mutation-radical)
Hanona (mutation prothesis-h)


Meddyf

Meddyf (mutation mutation-radical)
Feddyf (mutation mutation-soft)

Unknown, possibly either from medd (“mead”) + yf (“drinks”) or from medd (“power, authority”).


Iolo

Iolo (mutation mutation-radical)
Hiolo (mutation prothesis-h)


Rhun

Rhun (mutation mutation-radical)
Run (mutation mutation-soft)

From Middle Welsh Run, from Proto-Brythonic *rrʉn, Proto-Celtic *roinos (“route, road, landmark”) (compare Old Breton runt (“mound”), Old Irish roen (“road, path, plain”)).


Accalon

Accalon (mutation mutation-radical)
Haccalon (mutation prothesis-h)


Garanwyn

Garanwyn (mutation mutation-radical)
Aranwyn (mutation mutation-soft)
Ngaranwyn (mutation mutation-nasal)

From Middle Welsh Garanwyn, from garan (“heron, crane”) + gwynn (“white”).


Arthwys

Arthwys (mutation mutation-radical)
Harthwys (mutation prothesis-h)

From Old Welsh Arthuis, from arth (“bear”) + *uis, from Proto-Brythonic *gwɨs, from Proto-Celtic *wissus (“knowledge”) (compare Old Irish fis, fius (“knowledge”)).


Frwdwr

From Middle Welsh Frwdwr, perhaps from Middle Welsh ffrwd, from Proto-Brythonic *frud, Proto-Celtic *srutom (“stream, current”) + Middle Welsh dwfr, dwr (“water”), from Proto-Brythonic *duβr, Proto-Celtic *dubros (“dark”).


Ystradwel

Ystradwel (mutation mutation-radical)
Hystradwel (mutation prothesis-h)

From Middle Welsh Ystradwel, from Old Welsh Stradwel, Stradwawl, possibly from Old Welsh strat (“valley”), from Proto-Brythonic *strad, Proto-Celtic *stratos + Old Welsh guaul (“rampart, boundary”), from Proto-Brythonic *gwọl, from Proto-Celtic *wālos (“hedge, enclosure”).


Gloyw

Gloyw (mutation mutation-radical)
Loyw (mutation mutation-soft)
Ngloyw (mutation mutation-nasal)

From gloyw (“bright, shining, sparkling”), from Middle Welsh gloyw, from Old Welsh gloiu, from Proto-Brythonic *gluɨw (compare Old Irish glé (“clear, evident”)). Possibly from short forms of given names containing gloyw (compare Old Cornish Gloiucen, Gloiumed).


Maelgwn

From Old Welsh *Mailgun, itself from *Maɨlgun.


Prydael

Prydael (mutation mutation-radical)
Brydael (mutation mutation-soft)
Mhrydael (mutation mutation-nasal)
Phrydael (mutation mutation-aspirate)

Blend of Prydain (“Britain”) + gadael (“to leave”).


Garmon

Garmon (mutation mutation-radical)
Armon (mutation mutation-soft)
Ngarmon (mutation mutation-nasal)

Name of a fourth century saint, Latin Germanus.


Prys

Prys (mutation mutation-radical)
Brys (mutation mutation-soft)
Mhrys (mutation mutation-nasal)
Phrys (mutation mutation-aspirate)


Armon

Armon (mutation mutation-radical)
Harmon (mutation prothesis-h)


Teifi

Teifi (mutation mutation-radical)
Deifi (mutation mutation-soft)
Nheifi (mutation mutation-nasal)
Theifi (mutation mutation-aspirate)

Of Brythonic origin, probably from the same root as Tafwys and possibly also Thames. Also compare the names Tamar, Tavy, Towy, Teviot, Tweed, Taw, Tiverton.


Idris

→ English: Idris


Sioned

Borrowed from English Janet, from French Jeannette.

a female given name from Hebrew, equivalent to English Janet


Dyfi

Dyfi (mutation mutation-radical)
Ddyfi (mutation mutation-soft)
Nyfi (mutation mutation-nasal)


Delwyn

Delwyn (mutation mutation-radical)
Ddelwyn (mutation mutation-soft)
Nelwyn (mutation mutation-nasal)


pader

paderau (plural)
pader (mutation mutation-radical)
bader (mutation mutation-soft)
mhader (mutation mutation-nasal)
phader (mutation mutation-aspirate)

From Latin pater, from the Latin version of the prayer Pater noster (“Our Father”).


Sgandinafiad

cy-noun

Sgandinafiad m or f by sense (plural Sgandinafiaid, not mutable)


Llychlynnwr

Llychlynwyr (plural)
Llychlynnwr (mutation mutation-radical)
Lychlynnwr (mutation mutation-soft)


anghymreig

cy-adj

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

anghymreig (feminine singular)
anghymreig (plural)
anghymreig (mutation mutation-radical)
hanghymreig (mutation prothesis-h)


Elain

Elain (mutation mutation-radical)
Helain (mutation prothesis-h)


Gwenllian

Gwenllian (mutation mutation-radical)
Wenllian (mutation mutation-soft)
Ngwenllian (mutation mutation-nasal)

Attested at least as far back as c. 1100 (Gwenllian ferch Gruffydd, c. 1100–1136), ultimately derived from Proto-Celtic *windos (“white”) and *līnom (“flax”)


Nansi

a female given name, equivalent to English Nancy


Afan

Afan (mutation mutation-radical)
Hafan (mutation prothesis-h)

a unisex given name from afon (“river”) or afan (“raspberries”)


èth

ethiau (plural)
èth (mutation mutation-radical)
hèth (mutation prothesis-h)

The name of the Latin-script letter Th/th.


èf

efiau (plural)
èf (mutation mutation-radical)
hèf (mutation prothesis-h)

The name of the Latin-script letter F/f.


èll

elliau (plural)
èll (mutation mutation-radical)
hèll (mutation prothesis-h)

The name of the Latin-script letter Ll/ll.


aetsh

aetshys (plural)
aetsh (mutation mutation-radical)
haetsh (mutation prothesis-h)

The name of the Latin-script letter H/h.


sèd

The name of the Latin-script letter Z/z.


èg

egiau (plural)
èg (mutation mutation-radical)
hèg (mutation prothesis-h)

The name of the Latin-script letter G/g.


ecs

ecsau (plural)
ecsys (plural)
ecs (mutation mutation-radical)
hecs (mutation prothesis-h)

The name of the Latin-script letter X/x.


ciw

The name of the Latin-script letter Q/q.


èff

effiau (plural)
èff (mutation mutation-radical)
hèff (mutation prothesis-h)

The name of the Latin-script letter Ff/ff. (with reference to Welsh)

The name of the Latin-script letter F/f. (with reference to other languages)


Siani

a female given name, equivalent to English Jenny


Estoniad

Estoniaid (plural)
Estoniad (mutation mutation-radical)
Hestoniad (mutation prothesis-h)


Gwilym

From Anglo-Norman Willame, from Old High German Willahelm, from Proto-Germanic *Wiljahelmaz, from *wiljô (“will”) + *helmaz (“helmet”).

a male given name, equivalent to English William


Albaneg

Albaneg (mutation mutation-radical)
Halbaneg (mutation prothesis-h)


Gwyddeleg

Gwyddeleg (mutation mutation-radical)
Wyddeleg (mutation mutation-soft)
Ngwyddeleg (mutation mutation-nasal)

/ɡwɨ̞ˈðɛlɛɡ/

/ɡʊi̯ˈðeːlɛɡ/

/ɡwɪˈðeːlɛɡ/

/ɡʊi̯ˈðɛlɛɡ/


Gwyddel

cy-noun

Gwyddel m (plural Gwyddelod or Gwyddelaid or Gwyddeliaid or Gwyddyl, feminine Gwyddeles)

Gwyddelod (plural)
Gwyddelaid (plural)
Gwyddeliaid (plural)
Gwyddyl (plural)
Gwyddeles (feminine)
Gwyddel (mutation mutation-radical)
Wyddel (mutation mutation-soft)
Ngwyddel (mutation mutation-nasal)

From Middle Welsh Gwyðyl, Guoiðel, from Proto-Brythonic *Guɨðel (compare Breton Gouezel and Old Irish Goídel, a loanword from Brythonic), from Proto-Celtic *weidus (“wild”), from Proto-Indo-European *h₁weydʰh₁- (“wood, wilderness”) (compare Old English wāþ (“hunt”)).


Alun

Alun (mutation mutation-radical)
Halun (mutation prothesis-h)

a male given name, feminine equivalent Aluna


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.


Arnall

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

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


Arthog

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


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)


Emyr

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


Sbaenes

cy-noun

Sbaenes f (plural Sbaenesau, not mutable)


Sbaenwr

Sbaenwr m (plural Sbaenwyr, not mutable)


Aneurin

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

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


Sacson

Sacson m (plural Sacsoniaid or Sacsons, not mutable)

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


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”).


Dyfrig

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


Eiry

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


Barti

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


Ianto

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


Alon

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


Iseldireg

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


Islandeg

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


Ocsitaneg

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


Catalaneg

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


Manaweg

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


Affricaneg

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


Wcreineg

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


Pwyleg

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


Estoneg

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


Georgeg

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


Twrceg

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


Armeneg

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


Belarwseg

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


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


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)


Aeron

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

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


Arabeg

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


Perseg

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


Eleri

Eleri (mutation mutation-radical)
Heleri (mutation prothesis-h)

a male given name from Latin, equivalent to English Hilary


Eirwyn

Eirwyn (mutation mutation-radical)
Heirwyn (mutation prothesis-h)

From eira (“snow”) + gwyn (“white, fair; blessed”).


Eurwyn

Eurwyn (mutation mutation-radical)
Heurwyn (mutation prothesis-h)

From aur (“gold”) + gwyn (“white, fair; blessed”).


Euryn

Euryn (mutation mutation-radical)
Heuryn (mutation prothesis-h)

From aur (“gold”) + -yn meaning "golden one".


Eirwen

Eirwen (mutation mutation-radical)
Heirwen (mutation prothesis-h)

From eira (“snow”) + gwen (“white, fair; blessed”).


Eurwen

Eurwen (mutation mutation-radical)
Heurwen (mutation prothesis-h)

From aur (“gold”) + gwen (“white, fair; blessed”).


Baltig

cy-adj

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

Baltig (feminine singular)
Baltig (plural)


Wrdw

Borrowed from English Urdu, itself from Urdu اُرْدُو (urdū).


Tibeteg

Tibeteg (mutation mutation-radical)
Dibeteg (mutation mutation-soft)
Nhibeteg (mutation mutation-nasal)
Thibeteg (mutation mutation-aspirate)


Anian

Anian (mutation mutation-radical)
Hanian (mutation prothesis-h)

cy:Anian I, Esgob Bangor
en:Anian (bishop of Bangor)


u gwpan

uau cwpan (plural)
u gwpan (mutation mutation-radical)
hu gwpan (mutation prothesis-h)

/ˌɨː ˈɡʊpan/

From u (“i”) + cwpan (“cup”) i.e. "cup(-shaped) u".

(South Wales) The name of the Latin-script letter U/u.


i dot

ïau dot (plural)
i dot (mutation mutation-radical)
hi dot (mutation prothesis-h)

From i (“i”) + dot (“dot”) i.e. "dotted i".

(South Wales) The name of the Latin-script letter I/i.


u bedol

uau pedol (plural)
u bedol (mutation mutation-radical)
hu bedol (mutation prothesis-h)

/ˌɨː ˈbɛdɔl/

From u (“u”) + pedol (“horseshoe”) i.e. "horseshoe(-shaped) u".


Anes

Anes (mutation mutation-radical)
Hanes (mutation prothesis-h)

One variant name of the daughter of Gruffudd ap Cynan.


Manceiniad

Manceiniaid (plural)
Manceiniad (mutation mutation-radical)
Fanceiniad (mutation mutation-soft)


Slofacaidd

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

Slofacaidd (feminine singular)
Slofacaidd (plural)

Slovak (of or pertaining to Slovakia or the Slovaks)


Aelwen

Aelwen (mutation mutation-radical)
Haelwen (mutation prothesis-h)

a female given name from ael (“brow”) or gwen (“fair, white”), masculine equivalent Aelwyn


Addien

Addien (mutation mutation-radical)
Haddien (mutation prothesis-h)

a female given name meaning “fine” or “fair”


Aeddon

Aeddon (mutation mutation-radical)
Haeddon (mutation prothesis-h)


Aelan

Aelan (mutation mutation-radical)
Haelan (mutation prothesis-h)


Aeddan

Aeddan (mutation mutation-radical)
Haeddan (mutation prothesis-h)

a male given name from Old Irish áed (“fire”), equivalent to English Aidan, Irish Áedan or Aodhán, or Latin Aidanus


Aelwyn

Aelwyn (mutation mutation-radical)
Haelwyn (mutation prothesis-h)

a male given name from ael (“brow”) or gwyn (“fair, white”), feminine equivalent Aelwen


Adwen

Adwen (mutation mutation-radical)
Hadwen (mutation prothesis-h)

a female given name from Middle Welsh gwen (“white”); variant form Athwenna


Aeronwen

Aeronwen (mutation mutation-radical)
Haeronwen (mutation prothesis-h)


Aerfen

Aerfen (mutation mutation-radical)
Haerfen (mutation prothesis-h)


Aerona

Aerona (mutation mutation-radical)
Haerona (mutation prothesis-h)


Aeronwy

Aeronwy (mutation mutation-radical)
Haeronwy (mutation prothesis-h)


Afallon

Afallon (mutation mutation-radical)
Hafallon (mutation prothesis-h)


Aethwy

Aethwy (mutation mutation-radical)
Haethwy (mutation prothesis-h)


Afonwy

Afonwy (mutation mutation-radical)
Hafonwy (mutation prothesis-h)


Agnest

Agnest (mutation mutation-radical)
Hagnest (mutation prothesis-h)

a female given name from Ancient Greek ἁγνός (hagnós, “pure”)


Ynys Afallon

Ynys Afallon (mutation mutation-radical)
Hynys Afallon (mutation prothesis-h)

(Arthurian legend) An island, represented as an earthly paradise in the western seas, to which King Arthur and other heroes were carried at death.


Alaw

Alaw (mutation mutation-radical)
Halaw (mutation prothesis-h)

a unisex given name from alaw (“melody”) or alaw (“water lily”) or transferred from the place name


Alawn

Alawn (mutation mutation-radical)
Halawn (mutation prothesis-h)


Aeres

Aeres (mutation mutation-radical)
Haeres (mutation prothesis-h)


Eldrydd

Eldrydd (mutation mutation-radical)
Heldrydd (mutation prothesis-h)


Aldrydd

Aldrydd (mutation mutation-radical)
Haldrydd (mutation prothesis-h)


Alcwyn

Alcwyn (mutation mutation-radical)
Halcwyn (mutation prothesis-h)

From Latin Alcuinus, from Old English Ealhwine.

a male given name from Latin Alcuinus [in turn from Old English Ealhwine]


Aldwyn

Aldwyn (mutation mutation-radical)
Haldwyn (mutation prothesis-h)

a male given name from Old English Ealdwine (“old friend”)


Aled

Aled (mutation mutation-radical)
Haled (mutation prothesis-h)


Aldyth

Aldyth (mutation mutation-radical)
Haldyth (mutation prothesis-h)

From Old English eald (“old”) + gūþ (“battle”)


Alwen

Alwen (mutation mutation-radical)
Halwen (mutation prothesis-h)

Alternative form of Alwena: a female given name, masculine equivalent Alwyn


Alwena

Alwena (mutation mutation-radical)
Halwena (mutation prothesis-h)

a female given name, masculine equivalent Alwyn


Aldwyth

Aldwyth (mutation mutation-radical)
Haldwyth (mutation prothesis-h)


Aluna

Aluna (mutation mutation-radical)
Haluna (mutation prothesis-h)

a female given name, masculine equivalent Alun


Aldith

Aldith (mutation mutation-radical)
Haldith (mutation prothesis-h)


Alltwen

Alltwen (mutation mutation-radical)
Halltwen (mutation prothesis-h)

From allt (“wooded hillside”) + wen (“white, blessed”)

compound

a female given name transferred from the place name


Allwyd

Allwyd (mutation mutation-radical)
Hallwyd (mutation prothesis-h)


Amanwy

Amanwy (mutation mutation-radical)
Hamanwy (mutation prothesis-h)


Amlyn

Amlyn (mutation mutation-radical)
Hamlyn (mutation prothesis-h)


Amlodd

Amlodd (mutation mutation-radical)
Hamlodd (mutation prothesis-h)


Anlawdd

Anlawdd (mutation mutation-radical)
Hanlawdd (mutation prothesis-h)


Amranwen

Amranwen (mutation mutation-radical)
Hamranwen (mutation prothesis-h)

From amrant (“an eyelid”) + gwen (“white”)


Anarawd

Anarawd (mutation mutation-radical)
Hanarawd (mutation prothesis-h)


Androw

Androw (mutation mutation-radical)
Handrow (mutation prothesis-h)

a male given name from Ancient Greek Ἀνδρέᾱς (Andréās), equivalent to English Andrew


Aneira

Aneira (mutation mutation-radical)
Haneira (mutation prothesis-h)


Annest

Annest (mutation mutation-radical)
Hannest (mutation prothesis-h)


Anest

Anest (mutation mutation-radical)
Hanest (mutation prothesis-h)


Amig

Amig (mutation mutation-radical)
Hamig (mutation prothesis-h)


Aneirin

Aneirin (mutation mutation-radical)
Haneirin (mutation prothesis-h)


Amlawdd

Amlawdd (mutation mutation-radical)
Hamlawdd (mutation prothesis-h)


Aneirwen

Aneirwen (mutation mutation-radical)
Haneirwen (mutation prothesis-h)

From an + eira (“snow”) + gwen (“white”)


Caradog

From Middle Welsh Caratawc, from Proto-Brythonic *Karadọg, from Proto-Celtic *Karatākos.


Dyfnwal

Dyfnwal (mutation mutation-radical)
Ddyfnwal (mutation mutation-soft)
Nyfnwal (mutation mutation-nasal)

From Middle Welsh Dyfynwal, from Old Welsh Dumnagual, from Proto-Brythonic *Duβnowal, from Proto-Celtic *Dubnowalos, from *dubnos (“world”) + *walos (“prince, chief”). Cognate with Breton Dunvel, via Old Irish Domnall with Irish Dónall, Scottish Gaelic Dòmhnall, and Old English Dufenal, and via Medieval Latin Dubnovaldus with English Donald and Faroese Dunaldur.

a male given name, equivalent to English Donald


Ifor

Ifor (mutation mutation-radical)
Hifor (mutation prothesis-h)


Celteg

Celteg (mutation mutation-radical)
Gelteg (mutation mutation-soft)
Nghelteg (mutation mutation-nasal)
Chelteg (mutation mutation-aspirate)


aleff

aleff (mutation mutation-radical)
haleff (mutation prothesis-h)


Anhun

Anhun (mutation mutation-radical)
Hanhun (mutation prothesis-h)

a female given name from Latin Antōnius, equivalent to English Anthony


Annalyn

Annalyn (mutation mutation-radical)
Hannalyn (mutation prothesis-h)


Annell

Annell (mutation mutation-radical)
Hannell (mutation prothesis-h)


Anwn

Anwn (mutation mutation-radical)
Hanwn (mutation prothesis-h)


Annun

Annun (mutation mutation-radical)
Hannun (mutation prothesis-h)

a male given name from Latin Antōnius, equivalent to English Antony


Anwen

Anwen (mutation mutation-radical)
Hanwen (mutation prothesis-h)


Aranli

Aranli (mutation mutation-radical)
Haranli (mutation prothesis-h)


Anwylyn

Anwylyn (mutation mutation-radical)
Hanwylyn (mutation prothesis-h)


Anwyl

Anwyl (mutation mutation-radical)
Hanwyl (mutation prothesis-h)

From an- (intensive prefix) + gŵyl (“mild, gentle, graceful; bashful, modest”).

af

a female given name from annwyl (“dear”)


Annwyl

Annwyl (mutation mutation-radical)
Hannwyl (mutation prothesis-h)


Antur

Antur (mutation mutation-radical)
Hantur (mutation prothesis-h)

a male given name from antur (“adventure”)


Periwiad

cy-noun

Periwiad m or f by sense (plural Periwiaid)

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


Dulyniad

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

Dubliner (native or inhabitant of Dublin)


Bermwdiad

Bermwdiad m or f by sense (plural Bermwdiaid)

Bermudian (native or inhabitant of Bermuda)


Siôr

a male given name, equivalent to English George


Cadfael

Cadfael (mutation mutation-radical)
Gadfael (mutation mutation-soft)
Nghadfael (mutation mutation-nasal)
Chadfael (mutation mutation-aspirate)


Prydwen

Prydwen (mutation mutation-radical)
Brydwen (mutation mutation-soft)
Mhrydwen (mutation mutation-nasal)
Phrydwen (mutation mutation-aspirate)

From Middle Welsh Prydwen, from pryd (“appearance, shape, form”) + gwenn, feminine of gwynn (“white, fair”).

(Arthurian legend) the ship of King Arthur.


Swrinamiad

Swrinamiad m or f by sense (plural Swrinamiaid, not mutable)

Surinamese (native or inhabitant of Suriname)


Aranrhod

Aranrhod (mutation mutation-radical)
Haranrhod (mutation prothesis-h)


Aranwen

Aranwen (mutation mutation-radical)
Haranwen (mutation prothesis-h)


Ardudfyl

Ardudfyl (mutation mutation-radical)
Hardudfyl (mutation prothesis-h)


Ardudwen

Ardudwen (mutation mutation-radical)
Hardudwen (mutation prothesis-h)


Aranwy

Aranwy (mutation mutation-radical)
Haranwy (mutation prothesis-h)


Arawn

Arawn (mutation mutation-radical)
Harawn (mutation prothesis-h)

From Middle Welsh Arawn, from Old Welsh Araun, from Proto-Brythonic *Arọn, from Latin Aarōn, from Hebrew אהרן (“Aaron”).


Arddun

Arddun (mutation mutation-radical)
Harddun (mutation prothesis-h)

a female given name from arddun (“beautiful”)


Arddur

Arddur (mutation mutation-radical)
Harddur (mutation prothesis-h)


Arfor

Arfor (mutation mutation-radical)
Harfor (mutation prothesis-h)

a male given name transferred from the place name


Arfryn

Arfryn (mutation mutation-radical)
Harfryn (mutation prothesis-h)


Arianina

Arianina (mutation mutation-radical)
Harianina (mutation prothesis-h)

a female given name transferred from the place name, variant of Ariannin


Arfonia

Arfonia (mutation mutation-radical)
Harfonia (mutation prothesis-h)

a female given name, masculine equivalent Arfon


Arnallt

Arnallt (mutation mutation-radical)
Harnallt (mutation prothesis-h)

a male given name, equivalent to English Arnold; variant form Arnall


Arianwen

Arianwen (mutation mutation-radical)
Harianwen (mutation prothesis-h)

From arian (“silver”) + gwen (“blessed”).


Arthen

Arthen (mutation mutation-radical)
Harthen (mutation prothesis-h)


Arofan

Arofan (mutation mutation-radical)
Harofan (mutation prothesis-h)


Arianwyn

Arianwyn (mutation mutation-radical)
Harianwyn (mutation prothesis-h)

From arian (“silver”) + gwyn (“blessed”).


Artro

Artro (mutation mutation-radical)
Hartro (mutation prothesis-h)


Arthien

Arthien (mutation mutation-radical)
Harthien (mutation prothesis-h)


Arwen

Arwen (mutation mutation-radical)
Harwen (mutation prothesis-h)

From ar- (intensifying prefix) + gwen (“blessed”).

af

a female given name, masculine equivalent Arwyn; variant form Arwenna


Arwenna

Arwenna (mutation mutation-radical)
Harwenna (mutation prothesis-h)


Ariannell

Ariannell (mutation mutation-radical)
Hariannell (mutation prothesis-h)

a female given name from arian (“silver”)


Arfona

Arfona (mutation mutation-radical)
Harfona (mutation prothesis-h)


Arfon

Arfon (mutation mutation-radical)
Harfon (mutation prothesis-h)

a male given name, feminine equivalent Arfona or Arfonia


Athwenna

Athwenna (mutation mutation-radical)
Hathwenna (mutation prothesis-h)


Asaff

Asaff (mutation mutation-radical)
Hasaff (mutation prothesis-h)

a male given name, variant of Asa, equivalent to English Asaph


Arwyn

Arwyn (mutation mutation-radical)
Harwyn (mutation prothesis-h)

From ar- (intensifying prefix) + gwyn (“blessed”).

a male given name, feminine equivalent Arwen


Aures

Aures (mutation mutation-radical)
Haures (mutation prothesis-h)


Aurddolen

Aurddolen (mutation mutation-radical)
Haurddolen (mutation prothesis-h)

/aɨ̯rˈðɔlɛn/