send for vs beep

send for is not a noun while beep is a noun.

Word	Noun	Adjective	Verb	Adverb
send for	No	No	Yes	No
beep	Yes	No	Yes	No

As verbs, beep is a hyponym of send for; that is, beep is a word with a more specific, narrower meaning than send for:

Other hyponyms of send for include cite, summon, summons, call back, recall, call in, lift, muster, hail, summon, call up, mobilise, mobilize, rally.

send for (noun)	beep (noun)
	a short high tone produced as a signal or warning

send for (verb)	beep (verb)
order, request, or command to come	call, summon, or alert with a beeper
	make a strident noise