pan: all, whole, general, completely pantheism, pandemic, panacea, panoply, pan-American, panchromatic, pandemonium, panorama

para: beside paraprofessional, paramedic, paraphrase, parachute, paralegal, parallel, comparison

per: through, intensive permit, perspire, perforate, persuade, perceive, perfect, permit, perform, pervasive

peri: around periscope, perimeter, perigee, periodontal, periscope

phot: light photograph, photosynthesis, photon

poly: many polytheist, polygon, polygamy, polymorphous

re: back, again report, realign, retract, revise, regain, reflect, rename, restate, recombine, recalculate, redo