Pac/Peac - peace
Pan - all/bread
Par - evenness
Para - alongside/near
Pas/Pat/Path - emotion
Pater/Patr - father
Po/Pov/Pau/Pu - few/little
Ped - child
Ped/Pod - foot
Pen/Pun - penalties for crimes
Pend/Pens - hang
Per - through
Peri - around
Pet/Pit - Goal
Phil - love
Phone - sound
Plac - please
Ple - fill
Plex/Plic/Ply - fold
Pon/Pos/Pound - place
Port - carry
Post - after
Pre - before
Prehend/Prize - grab