Pride goes before a fall.

to pride oneself on something

Pride will have a fall.

Pride comes before the fall.

prig

priggish

of prime importance

in prime time

primed

primitive colour

to primp oneself

primrose path

Prince Charming

principal town

printed circuit board track

printed circuit board

to be printed on one’s mind

printed matter

printed characters

printed

printed form

printer’s dozen

printer’s devil

printer’s error

a priori