pass up vs bounce

pass up is not a noun while bounce is a noun.

Word	Noun	Adjective	Verb	Adverb
pass up	No	No	Yes	No
bounce	Yes	No	Yes	No

As verbs, bounce is a hyponym of pass up; that is, bounce is a word with a more specific, narrower meaning than pass up:

Other hyponyms of pass up include dishonor, dishonour.

pass up (noun)	bounce (noun)
	a light, self-propelled movement upwards or forwards
	the quality of a substance that is able to rebound
	rebounding from an impact (or series of impacts)

pass up (verb)	bounce (verb)
fail to acknowledge	eject from the premises
not accept as true	hit something so that it bounces
	spring back; spring away from an impact
	leap suddenly
	move up and down repeatedly
	come back after being refused
	refuse to accept and send back