Adwaith - Reaction

Adweithio - React

Aelod Seneddol - Member of parliament

Aelod cynulliad - Assembly member

Afiechydon - Diseases

Afu - Liver

Alergedd - Allergy

Amddiffynnol - Defensive

Anfodlon - Dissatisfied

Anghyfforddus - Uncomfortable

Anhwylder - Disorder

Annog - Encourage

Ansicr - Insecure

Anwybyddu - Ignore

Ar gyfartaledd - On average

Arbenigwyr - Specialists

Arbrofion - Experiments

Argraff - Impression

Arolwg - Survey

Asiantaethau recriwtio - Recruitment agencies

Astudiaethau - Studies