Po-ten-tate, penadur, archdeyrn
Po-ten-tial, galluogol, galluadwy
Pot-ter-y, crochenyddiaeth
Pov-er-ty, tlodi, anghen, eisiau
Poul-ter-er, adarwerthwr
Pow-er-ful, galluog, nerthol
Prac-ti-cal, ymarferol, defnyddiol
Praise-wor-thy, canmoladwy
Pre-cau-tion, rhagocheliad: rhagrybyddio
Pre-ce-dence, blaenoriaeth, y blaen