- perdition
- perfect
- periscope
- perk someone up, perk something up
- permission
- permutation
- peroration
- perpend
- perpendicular
- perpetrate
- perplexity
- persist
- persistent
- perspicuous
- pertain
- play in
- perversity
- peter man
- petition
- petrichor
- petroglyph
- petrol bomb
- phalanx
- phase something out
- phial
- philanderer
- philanthropist
- philology
- phonate
- phonation
- photographer
- photographic
- phylanthus emblica
- physalis flexuosa
- physical chemistry
- phytopathology
- pica
- pick
- pick persons brain
- pick someone up
- pick-me-up
- pickle
- pickup
- pie in the sky
- piece of reaper
- piercing
- pilchard
- pile it
- pile up arms
- pill
- pilot boat
- pilot-engine
- pimiento
- pin
- poet
- pine away
- pins and needles
- pipe
- piped music
- pipit
- pipsqueak
- pirate
- pisces
- pitched battle
- pitcher
- pitfall
- pitiful
- pitted
- pituitous
- pkt
- placed above
- plain as a pikestaff
- plain dealing
- plaintful
- planetarium
- planetoidal
- planimetry
- planned scheme
- planning
- plastic
- plastic explosive
- plastid
- platitudinarian
- platitudinous
- plaudatory
- play for time
- play the game
- play truant
- play up
- play up to curry
- playful
- pliant
- playing musical instrument
- playmate
- pleasing
- pleasurably
- pledge
- plethora
- pliable
- plough