► Details Suggestions (1) See more in the Thesaurus External effeithiau noun plural in English is: effectsUseyr effeithiau hynfy effeithiau idy effeithiau diei effeithiau ef/oei heffeithiau hiein heffeithiau nieich effeithiau chieu heffeithiau nhw/hwy Sign in or Register to see the full entries from the Welsh-English section of the dictionary which includes definitions, translations, pronunciation, phrases, grammar, mutations, conjugated verbs, prepositions, adjectives and more. were you looking for sgil effeithiau?sgil effeithiau noun plural consequences External Dictionary Portal This is a library of dictionaries and other online resources where you can search further for effeithiau*: Specialist Dictionaries effeithiau in the University of Wales Dictionary Glossaries effeithiau in the Bangor Dictionary effeithiau in the Trinity Saint David Dictionary Terminology effeithiau in the National Terminology Portal effeithiau in Term Cymru effeithiau in the Termiadur Addysg effeithiau in the Coleg Cymraeg's Terms Encyclopedia effeithiau in Wicipedia (Welsh) Example Sentences Sentences containing: effeithiau in the Assembly Proceedings effeithiau in the CorCenCC Corpus *External websites will be opened in a new window.