- pocket borough
- parfait glass
- powder feeding
- pod
- pockmarked
- postaural approach
- panniculus carnosus
- pannus
- postbortal sepsis
- pocket dosimeter
- paperbacked
- paperback
- pocketable
- pocket_sized
- pipedream
- program multiplexing
- parkeriaceae
- prize winner
- prom
- powerhouse
- progestational activity
- perchance
- primarily emotional
- primary direction
- primary eduction
- primary winding
- primary (only in the context of a school)
- primary emulsion
- production routine
- past participle feminine plural form of the verb
- preterite
- past redemption
- past extraction alveolitis
- preset
- predetermined
- Presbyterian Church
- protestant episcopal church
- pyroelectricity
- per diem
- public utility services
- purveyor
- provider of food
- phenylarsonic acid
- phenylephrine
- pantry car
- psychosedative
- pleurisy with effusion
- pay off
- pay lip service to
- power series