pass off vs fade

pass off is not a noun while fade is a noun.

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

As verbs, pass off and fade are synonyms defined as:

Other synonyms of pass off include blow over, evanesce, fleet, pass.

pass off (noun)	fade (noun)
	gradually ceasing to be visible
	a golf shot that curves to the right for a right-handed golfer

pass off (verb)	fade (verb)
expel (gases or odors)	become feeble
come to pass	disappear gradually
disappear gradually	lose freshness, vigor, or vitality
disregard	become less clearly visible or distinguishable; disappear gradually or seemingly
cause to be circulated and accepted in a false character or identity
be accepted as something or somebody in a false character or identity