ricochet vs backlash

ricochet and backlash both are nouns.

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

As nouns, backlash is a hypernym of ricochet; that is, backlash is a word with a broader meaning than ricochet:

Other hypernyms of ricochet include rebound, recoil, repercussion.

ricochet (noun)	backlash (noun)
a glancing rebound	an adverse reaction to some political or social occurrence
	a movement back from an impact

ricochet (verb)	backlash (verb)
spring back; spring away from an impact	come back to the originator of an action with an undesired effect