phallic vs. priapic

pseudohermaphrodite vs. pseudohermaphroditic

philharmonic vs. symphony

prime vs. quality

prime vs. undercoat

prepubertal vs. prepubescent

polyandrous vs. polyandry

polygynous vs. polygyny

prodigal vs. profligate

profligate vs. spendthrift

profligate vs. squanderer

profligate vs. rip

polyphonic vs. polyphonous

plebeian vs. unwashed

pleb vs. plebeian

phantasmal vs. spiritual

psychic vs. psychical

preternatural vs. uncanny

planetary vs. worldwide

planetal vs. planetary

planetary vs. terrestrial

parvenu vs. parvenue

parvenu vs. upstart

perceived vs. sensed

patched vs. spotty

preadolescent vs. preteen

puppyish vs. puppylike

pyrotechnic vs. pyrotechnical

preteen vs. preteenager

paid vs. paying

postpaid vs. prepaid

placed vs. set

placement vs. positioning

palatable vs. toothsome

palpable vs. tangible

patronised vs. patronized

patronless vs. unpatronized

prepackaged vs. prepacked

peaceable vs. peaceful

pacifist vs. pacifistic

penitent vs. repentant

parental vs. paternal

prox vs. proximo

penitential vs. penitentiary

pen vs. penitentiary

parentless vs. unparented

physiologic vs. physiological

psychogenetic vs. psychogenic

pietistic vs. pietistical

perishable vs. spoilable

precautional vs. precautionary

perm vs. permanent

prohibitive vs. prohibitory

petaled vs. petalous

petalled vs. petalous

psychoactive vs. psychotropic

practicable vs. viable

puff vs. puffed

puff vs. pull

pouf vs. puff

pouffe vs. puff

powderpuff vs. puff

puff vs. whiff

pragmatic vs. pragmatical

potent vs. stiff

potent vs. virile

potent vs. strong

peaked vs. sickly

pyramidal vs. pyramidic

pyramidal vs. pyramidical

predetermined vs. preset

puissant vs. stiff

pointillist vs. pointillistic

pointless vs. unpointed

potbound vs. rootbound

peeved vs. roiled

ploughed vs. plowed

privy vs. secret

privy vs. toilet

present vs. represent

present vs. salute

portray vs. present

present vs. stage

present vs. submit

prognathic vs. prognathous

prophetic vs. prophetical

parenthetic vs. parenthetical

processed vs. refined

precursory vs. premonitory

paying vs. salaried

predictive vs. prognostic

predictive vs. prognosticative

prognostic vs. prognostication

prodigy vs. prognostic

portent vs. prognostic

presage vs. prognostic

provocative vs. sexy

punitive vs. punitory

pureblood vs. purebred

purebred vs. thoroughbred

pedigree vs. pedigreed

pedigree vs. pureblood

pedigree vs. pureblooded

proved vs. proven

pretend vs. profess

pretend vs. sham

pretend vs. venture

pictorial vs. pictural

polymorphic vs. polymorphous

phantasmagoric vs. surreal

phantasmagorical vs. surreal

port vs. porthole

pastoral vs. pastorale

paranoiac vs. paranoid

psychopathic vs. psychopathologic

psychopathic vs. psychopathological

psycho vs. psychotic

parabolic vs. parabolical

purulent vs. pussy

pussy vs. snatch

putrefacient vs. putrefactive

purgatorial vs. purifying

pachydermal vs. pachydermatous

prurient vs. salacious

polyestrous vs. polyoestrous

peripatetic vs. wayfaring

probative vs. probatory

pinnate vs. pinnated

proficient vs. technical

palpitant vs. palpitating

palmy vs. roaring

prospering vs. roaring

pertinacious vs. tenacious

pendant vs. pendent

prize vs. quality

prize vs. trophy

pillage vs. prize

prize vs. respect

prize vs. pry

prise vs. prize

prize vs. treasure

prize vs. value

pucka vs. pukka

paperlike vs. papery

presumable vs. supposable

presumable vs. surmisable

pumped vs. wired

pondering vs. reflective

pestered vs. vexed

pantropic vs. pantropical

pronged vs. tined

paralytic vs. paralyzed

paralytic vs. paralytical

peccable vs. peccant

poikilothermic vs. poikilothermous

pulpy vs. squashy

periwigged vs. peruked

preposterous vs. ridiculous

pneumogastric vs. vagal

postdoc vs. postdoctoral

phonologic vs. phonological

photometric vs. photometrical

plumbic vs. plumbous

plutocratic vs. plutocratical

pachydermal vs. pachydermic

pachydermal vs. pachydermous

polydactyl vs. polydactylous

palaeontological vs. paleontological

palmar vs. volar

positivist vs. positivistic

positivist vs. rationalist

preclinical vs. presymptomatic

paramedic vs. paramedical

predestinarian vs. predestinationist

parheliacal vs. parhelic

pressor vs. vasoconstrictor

pressor vs. vasoconstrictive

prodromal vs. prodromic

prostate vs. prostatic

pedal vs. treadle

pedal vs. wheel

photoelectric vs. photoelectrical

procaryotic vs. prokaryotic

pectoral vs. thoracic

pectoral vs. pectoralis

pecs vs. pectoral

palatine vs. palsgrave

pyrogenic vs. pyrogenous

pyrogenetic vs. pyrogenic

pentagonal vs. pentangular

postmodern vs. postmodernist

pericardiac vs. pericardial

phonetic vs. phonic

protozoal vs. protozoan

protozoal vs. protozoic

protozoan vs. protozoon

paediatric vs. pediatric

pharmacologic vs. pharmacological