pervert, v. lead astray, corrupt, debase, vitiate; misuse, misapply, misinterpret, distort, falsify.

pervious, a. permeable, penetrable.  Antonym:  impervious.

pesky, a. (Colloq.) vexatious, troublesome.

pessimistic, a. gloomy, foreboding, hopeless.

pest, n. pestilence, plague, scourge; curse, nuisance, annoyance, infliction, bane.

pester, v. plague, badger, harass, harry, tease, torment, hector, disturb, molest.

pest house, n. lazaretto, lazar-house.

pestiferous, a. infectious, contagious, pestilential; noxious, noisome.

pestilence, n. plague, scourge, fatal epidemic.

pestilent, a. pestiferous.

pet, n. fondling, darling, favorite; cosset; tiff.

pet, v. humor, coddle, fondle, cosset, caress, indulge.

pet, a. favorite, petted, cade.

peter out. (Slang) dwindle.

petition, n. entreaty, supplication, prayer.

petition, v. entreat, supplicate, pray.

petitioner, n. suppliant, applicant, solicitor.

petrifaction, n. lapidification, petrescence, lapidescence; fossil, stone.

petrify, v. lapidify, fossilize.

petticoat, n. underskirt; balmoral.

petty, a. small, insignificant, trivial, trifling.

petulant, a.  See cross.

pew, n. slip.

phantom, n. spectre, apparition, ghost.

phantomlike, a. spectral, ghostly.

pharmaceutist, n. apothecary, druggist.

pharmacist, n. apothecary, druggist, pharmaceutist.

phase, n. aspect, appearance.

phase, v. (Colloq.) disconcert, disturb, discompose, affect.

philistine, a. uncultured, commonplace.

phiz, n. (Colloq.) face, visage, countenance, physiognomy.

phlegm, n. mucus.

phlegm, n. dullness, sluggishness, coldness, indifference.

phlegmatic, a. unemotional, cold, dull, sluggish.

phonograph, n. graphophone.

photograph, n. heliograph.

photography, n. heliography.

phrase, n. idiom; diction, phraseology.

phrenologist, n. craniologist.

phrenology, n. craniology.

physic, n. medicine; cathartic, purge, purgative.

physic, v. purge.

physical, a. material, bodily.

physical structure. physique.

physician, n.  See doctor.

piano, n. pianoforte.

piazza, n. veranda, portico, stoop, porch.

pick, v. pluck; pick out, select, choose, cull, glean.

pick, n. pickax; choice; spike, pike; plectrum.

picket, n. stake, pale, paling; sentry, guard, watchman, sentinel.

pickle, n. brine; (Colloq.) dilemma, predicament, plight; marinade.

pickpocket, n. cutpurse, chevalier d’industrie (French).

picture, v. delineate, sketch, draw, represent, depict.