- ' antipodes ' ... a tryst
 - a wariwyd ... abandoner
 - abandum ... abdicator
 - abditive ... abhorred
 - abhorrency ... ablaqueate
 - ablaqueation ... aboral
 - abord ... abscession
 - abscind ... absorbition
 - absorpt ... abwyd
 - aby ... acanthophorous
 - acanthopodious ... acceptancy
 - acceptant ... acclivous
 - accloy ... accrementitial
 - accrementition ... acerate
 - acerb ... acharnement
 - achate ... achosir
 - achosol ... acidly
 - acidness ... acontias
 - acopic ... acrimoniously
 - acrimoniousness ... acroteleutic
 - acroter ... actualities
 - actualization ... ad-dalu
 - ad-drefnu ... addas o
 - addasadwy ... addo
 - addoli ... adeg
 - adeg llanw uchaf ... adenology
 - adenophorous ... adfiliated
 - adfiliation ... adipous
 - adipsous ... adleisio
 - adleoli ... adnabod
 - adnabod ... adoration
 - adorement ... adulatory
 - adulatress ... adversaria
 - adversarious ... aeddfedu'r
 - aedile ... aerolite
 - aerolith ... aeth ymlaen
 - aetheogamous ... affile
 - affiliable ... affrightedly
 - affrighten ... afluniaidd
 - aflush ... aftercast
 - afterclap ... aganglionic
 - agapae ... aggregately
 - aggrege ... agnoiology
 - agnomen ... agosrwydd
 - agouara ... ague
 - agued ... ail-drefnu
 - ail-fynediad ... ailbennu
 - ailbenodi ... ailgyhoeddi'r
 - ailgylchadwy ... aitch
 - aitchbone ... alaunt
 - alaw ... albumose
 - alburn ... alcoholmeter
 - alcoholmetrical ... alehouse
 - alemannic ... algates
 - algâu ... aligerous
 - alilonghi ... alkekengi
 - alkermes ... allforiwr
 - allfours ... allotropicity
 - allotropize ... almagra
 - almah ... alpia
 - alpigene ... alular
 - alum ... am wynebu'r
 - am y tro ... amau
 - amau ... amblyopy
 - amblypoda ... amdano
 - amddifad ... amentia
 - amentiferous ... amharchus
 - amharchus ... amheus
 - amheus ... aml
 - aml-lywiogrwydd ... amlygrwydd iddi
 - amlygu ... amoebiform
 - amoeboid ... amphibial
 - amphibiological ... amphisbaena
 - amphisbaenoid ... amryliw
 - amryliw ... amsugno
 - amsugno ... ana
 - anabaptism ... anadiplosis
 - anadl ... anagogy
 - anagram ... anamniotic
 - anamorphism ... anastomoses
 - anastomosing ... anchoretic
 - anchoretical ... androides
 - andromeda ... anemographic
 - anemography ... anfedrusrwydd
 - anfeidredd ... anfoesoldeb
 - anfon ... angenrheidiau'n
 - angenrheidiol ... anghyffredin
 - anghyfiawn ... anghyson
 - anghyson ... anglicanaidd
 - anglicanism ... anharddu
 - anharmonic ... anhygoel
 - anhygoel ... animalize
 - animalized ... anllad
 - anllad ... annheg
 - annheg ... annodweddiadol
 - annoeth ... annuloida
 - annulosa ... anogaeth
 - anogaeth ... anorthic
 - anorthite ... answerableness
 - answerably ... antediluvial
 - antediluvian ... anthelmintig
 - anthem ... anthropogenig
 - anthropogeny ... antialbumid
 - antialbumose ... antidotary
 - antidotical ... antimoniated
 - antimonic ... antipodagric
 - antipodal ... antistrophic
 - antistrophon ... anudon
 - anufudd ... anwybyddu
 - anwybyddu ... apaume
 - apb ... aphidian
 - aphidivorous ... aplacental
 - aplacentata ... apodyterium
 - apogaic ... aporetical
 - aporia ... apotome
 - apozem ... appendicle
 - appendicular ... apportioner
 - apposer ... approvement
 - approximative ... aquatile
 - aquatinta ... ar goll
 - ar gyfartaledd ... arabeg
 - arabesque ... arak
 - arali ... arbenigo
 - arbenigol ... arcana
 - arcanum ... archelogy
 - archencephala ... archon
 - archonship ... arddangos
 - arddangos ... arefaction
 - arefy ... arfaethedig
 - arfaethedig ... argil
 - argillaceous ... argyfyngau
 - argyfyngau ... aridities
 - aridity ... arllwys gwaed
 - arllwysodd ... armorican
 - armories ... arolygwyd
 - arolygydd ... arraying
 - arrayment ... arsenicated
 - arsenicating ... arthritical
 - arthritis ... artlessness
 - artly ... arwydd
 - arwydd ... ascendent
 - ascendible ... asetig
 - aseton ... asiphonida
 - asitia ... asphaltum
 - asphaltus ... assecution
 - assegai ... assistful
 - assistless ... assythment
 - astacus ... astoop
 - astoundment ... astronomize
 - astrophel ... atafaelu
 - atafaelu ... atchwanegu
 - atchweliad ... atgofion
 - atgofion ... athink
 - athirst ... atmospherically
 - atmospherology ... atrede
 - atrenne ... attendement
 - attendment ... atwirl
 - atwite ... augury
 - augustan ... auricularly
 - auriculars ... authenticly
 - authenticness ... automaton
 - automatons ... avenage
 - avener ... avile
 - avis ... awdur
 - awdur ... awned
 - awninged ... axeman
 - axially ... azotic
 - azotite ... – anghofiwch
 
Dictionary
            Welsh - English