Pro-noun, rhagenw
Pro-nounce, traethu, cyhoeddi, acenu
Proof-sheet, prawflen, proflen
Pro-pel, gyru ym mlaen
Pro-pense, tueddol, chwannog
Prop-er, priod, priodol; cymhwys
Proph-et, proffwyd
Pro-pose, cynnygiad: bwriadu; cynnyg
Pro-rogue, gordori, gohirio
Pros-pect, ardrem, rhagolwg