An-ti-christ, anghrist, gwrthgrist

An-ti-dote, gwrthwenwyn, dadwenwyn

A-part-ment, rhandy, ystafell

Ap-a-thy, annheimlad; difaterwch

Ap-er-ture, agoriad, adwy, bwlch

A-pos-tate, gwrthgiliwr; gwrthgiliol

A-pos-tle, apostol; anfonog

Ap-pa-rel, dillad, gwisg: dilladu, gwisgo

Ap-pa-rent, amlwg, eglur; ymddangosiadol

Ap-pear-ance, ymddangosiad, golwg; gweledigaeth