bound off vs bounce

bound off is not a noun while bounce is a noun.

Word	Noun	Adjective	Verb	Adverb
bound off	No	No	Yes	No
bounce	Yes	No	Yes	No

As verbs, bounce is a hypernym of bound off; that is, bounce is a word with a broader meaning than bound off:

Other hypernyms of bound off include bound, rebound, recoil, resile, reverberate, ricochet, spring, take a hop.

bound off (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)

bound off (verb)	bounce (verb)
bound off one point after another	eject from the premises
	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