- pond cypress
- pond bald cypress
- purau
- polecat weed
- polecat
- podsol
- prairie soil
- podsolic soil
- podzol
- podsol soil
- poorly
- poorhouse
- pallone
- piciform bird
- protoavis
- passeriform bird
- prankishness
- perplexed
- prairie fox
- preclinical trial
- pit_run gravel
- pit run
- puviniform
- problem_oriented language
- powder flask
- pipe bowl
- powder horn
- personnel pouch
- plastic bag
- pannier
- paper_back book
- pocketbook issue
- pocket edition
- pipeful
- pooch out
- pitcherful
- program music
- Parker House roll
- prizefighter
- primary election
- product_moment correlation coefficient
- production control
- past participle
- past tense
- past (as
- Protestant denomination
- playing with foils
- playactor
- public utility company
- Phaseolus vulgaris