Pais (paid-), a child; paideia, training, learning: ped-agogue, pedant.
pan (pant-, pas-), all: pan-acea (akos, remedy), pan-oply, (hopla, arms), pan-orama ((h)oraō, see).
păthos, suffering, feeling: pathology, pathetic, sympathy.
pauo, I stop; pausis, cessation (Lat. pausa): pause and pose.
pente, five: pent-agon, pentameter, penta-teuch (teuchos, book), Pente-cost [pentecostē = fiftieth (day)].
petra, a rock; petros, a stone: petrify and pier (Fr.), Peter, petrology, petroleum, petrescent.
plassō, I mould, fashion: plastic, plasm, proto-plasm (prōtos, first).
pleura, a rib: pleurisy, pleuritic.
plēgē, plēxis, a blow, stroke: plague (Lat. plāga), apoplexy, pleximeter.
pneuma, air; pneumon, lungs: pneumatic, pneumonia, pneumatomer.