- proctor
- production
- prohibitionism
- project
- promotion
- pronto
- prosecuting attorney
- prohibition
- prohibitionist
- promote
- proposition
- protection
- provisory
- pry
- publisher
- puddle
- pull
- pulp
- punk
- puncher
- pundit
- punish
- pup tent
- purlieu
- purse
- pursuit plane
- push-pin
- pushover
- puss
- pussyfoot
- put
- putter
- quaker-gun
- quartern
- pulmotor
- punch
- punishment
- puntation
- purchasable
- push
- push-up
- quadrillion
- queer
- quickie
- quail
- quaker
- quidnunc
- quietus
- quins
- quintet
- quintette
- quints
- quit
- quitter
- quiz
- quizzee
- quizzeer
- quizzer
- quonset hut
- rack
- racketeer
- raddled
- raft
- ragweed
- railroad
- rare
- rate
- raw
- razz
- rebel
- raise
- rake-off
- rank
- rat
- rating
- rattle-brained
- rec room
- recall
- rally
- rambunctious
- range
- ranger
- rap
- rat-face
- recognise
- recreation
- recess
- reckon
- recognize
- red
- red cent
- red-light
- redbaiting
- redcap
- redeye
- redneck
- red-blooded
- reefer
- regent
- red-necked