rebound vs backlash

rebound and backlash both are nouns.

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

As nouns, rebound and backlash are synonyms defined as:

Other synonyms of rebound include recoil, repercussion.

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

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