bound off vs rebound

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

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

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

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

bound off (noun)	rebound (noun)
	the act of securing possession of the rebounding basketball after a missed shot
	a reaction to a crisis or setback or frustration
	a movement back from an impact

bound off (verb)	rebound (verb)
bound off one point after another	return to a former condition
	spring back; spring away from an impact