recur vs pass off

recur and pass off both are verbs.

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

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

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

recur (verb)	pass off (verb)
happen or occur again	expel (gases or odors)
return in thought or speech to something	come to pass
have recourse to	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