backlash vs rebound

backlash and rebound both are nouns.

Word	Noun	Adjective	Verb	Adverb
backlash	Yes	No	Yes	No
rebound	Yes	No	Yes	No

As nouns, backlash and rebound are synonyms defined as:

Other synonyms of backlash include recoil, repercussion.

backlash (noun)	rebound (noun)
an adverse reaction to some political or social occurrence	the act of securing possession of the rebounding basketball after a missed shot
a movement back from an impact	a reaction to a crisis or setback or frustration
	a movement back from an impact

backlash (verb)	rebound (verb)
come back to the originator of an action with an undesired effect	return to a former condition
	spring back; spring away from an impact