Charge, cadwraeth; gorchymmyn: ymddiried; cyhuddo; ymosod

Chaste, diwair, dihalog

Cheese, caws

Choice, dewisol, dewis

Choose, dewis, ethol

Church, eglwys: eglwysa

Clause, adran, erthygl

Cleave, hollti; glynu

Clench, rhybedio

Clothe, dilladu, gwisgo