Pre-em-i-nence, rhagoriaeth
Pre-em-i-nent, rhagorol, ardderchog
Pre-fer-a-ble, gwell, rhagorach
Pre-med-i-tate, rhagfyfyrio
Prep-a-ra-tion, paratoad, darpariad
Prep-o-si-tion, arddodiad, rhagair
Pres-ent-a-tion, cyflwyniad; rhoddiad
Pres-er-va-tion, cadwraeth, cadwad
Pres-i-den-cy, arglwyddiaeth, rheolaeth
Pre-sump-tu-ous, beiddgar, rhyfygus