- pine nut
- pollinator
- plecopteran
- protruding
- privilege of the floor
- pres young
- prerequisite
- privilege against self incrimination
- public domain
- pencil eraser
- Passover
- Pesach
- pascals law
- Pesah
- people's republic of china
- paschal celery
- praline
- popcorn ball
- pine lily
- panther lily
- prevailing westerly
- papism
- populus canescens
- populus grandidentata
- Populus trichocarpa
- Populus heterophylla
- pine marten
- potamophis
- picea mariana
- pituophis melanoleucus
- polynesia
- polynesian tattler
- pulsatilla occidentalis
- pulsatilla vulgaris
- prairie
- pipistrelle
- pipistrel
- Pipistrellus pipistrellus
- plethodon
- plethodon vehiculum
- picea pungens
- plethodont
- Proteus anguinus
- philanthropic gift
- Population Commission
- public assistance
- petroleum geology
- phylum echinodermata
- pinus strobiformis
- preseason