P:
people
popcorn
porcupines, since they are so amazing
partners
palaces
pink, especially hot and neon
purple, any shade, though royal purple is my favorite of the purples
posies
poems
poetry
poets
passion
participation
principles
portability
promises, especially those which are kept
pumpkins and pumpkin cheesecake made by Bolivia
paint
paintings
painters
pals
pen pals
pets
permission
pens
pencils
prequels

Q:
questions
quotations
quotes
queries
quacking noises
quarters
giving quarter
fourth quarter (esp on games I don’t want to watch)
quarts
quintuplets (and their mothers!)
quill pens
Quixote
quaggas (though I wish they were not extinct)