backlash vs pass off

backlash is a noun but pass off is not a noun.

Word	Noun	Adjective	Verb	Adverb
backlash	Yes	No	Yes	No
pass off	No	No	Yes	No

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

Other hypernyms of backlash include come about, fall out, go on, hap, happen, occur, pass, take place.

backlash (noun)	pass off (noun)
an adverse reaction to some political or social occurrence
a movement back from an impact

backlash (verb)	pass off (verb)
come back to the originator of an action with an undesired effect	expel (gases or odors)
	come to pass
	disappear gradually
	disregard
	cause to be circulated and accepted in a false character or identity
	be accepted as something or somebody in a false character or identity