beeper vs beep

beeper and beep both are nouns.

Word	Noun	Adjective	Verb	Adverb
beeper	Yes	No	No	No
beep	Yes	No	Yes	No

beeper (noun)	beep (noun)
an electronic device that generates a series of beeps when the person carrying it is being paged	a short high tone produced as a signal or warning

beeper (verb)	beep (verb)
	call, summon, or alert with a beeper
	make a strident noise