go on vs pass off

go on and pass off both are verbs.

Word	Noun	Adjective	Verb	Adverb
go on	No	No	Yes	No
pass off	No	No	Yes	No

As verbs, go on and pass off are synonyms defined as:

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

go on (verb)	pass off (verb)
come to pass	expel (gases or odors)
continue talking	come to pass
start running, functioning, or operating	disappear gradually
move forward, also in the metaphorical sense	disregard
continue a certain state, condition, or activity	cause to be circulated and accepted in a false character or identity
	be accepted as something or somebody in a false character or identity