Placeo, I please; placid, complacent.
Planus, level; plane, plain, plan.
Plaudo (plaus-um), I clap the hands; applause, (explode).
Plecto (plex-um), I weave; complex, perplex.
Pleo (plēt-um), I fill; complete, completion, repletion.
Plĭco, I fold; complicate, reply.
Plus (plūr-is), more; plurality, surplus.
Pœna, punishment; penalty, repent.
Pondus (pondĕr-is), weight; ponderous, pound.
Pono (posĭt-um), I place; disposition, exposition, imposition.