(onomatopoeia) pong, a soft electric sound, as in "pong, fasten your seat belts." (a soft-attention in air-flights)

polyurethane

police

polis (Ancient Greek city-state)

spearhead

report, paper

south, southern area

policy, a course of action thought to be prudent or advantageous / (government) policy

deposit, that is, money placed in an account / deposit, such as when renting an apartment; security money, guarantee

(computing) port, a logical or physical construct into and from which data are transferred