pass off vs fall out

pass off and fall out both are verbs.

Word	Noun	Adjective	Verb	Adverb
pass off	No	No	Yes	No
fall out	No	No	Yes	No

As verbs, pass off and fall out are synonyms defined as:

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

pass off (verb)	fall out (verb)
expel (gases or odors)	come to pass
come to pass	have a breach in relations
disappear gradually	drop out
disregard	leave (a barracks) in order to take a place in a military formation, or leave a military formation
cause to be circulated and accepted in a false character or identity	come as a logical consequence; follow logically
be accepted as something or somebody in a false character or identity