Path
Feeling, emotion
Empathy, apathetic
Patr
Father
Patron, paternal
Pen/pend
Weight
Pendulum, penury
Pent
Five
Pentagon
Peri
Around
Periscope, peripheral
Pet/pec
Small
Petite, peckish
Phil
Love, high regard
Philanthropy, oenophile
Phob
Fear
Agoraphobic
Phon
Sound
Phonetic, euphonium
Pod/ped
Foot
Pedal, podiatry
Pon/pos
Place, put
Position,ponder
Port
Carry
Transport,portable
Post
After
Posterity, posterior
Poten
Power, influence
Potent, potential
Pre
Before
Preexisting, preclude