resiliency vs backlash

resiliency and backlash both are nouns.

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

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

Other hypernyms of resiliency include rebound, recoil, repercussion.

resiliency (noun)	backlash (noun)
the physical property of a material that can return to its original shape or position after deformation that does not exceed its elastic limit	an adverse reaction to some political or social occurrence
an occurrence of rebounding or springing back	a movement back from an impact

resiliency (verb)	backlash (verb)
	come back to the originator of an action with an undesired effect