pass off vs trip

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

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

pass off (noun)	trip (noun)
	a journey for some purpose (usually including the return)
	an unintentional but embarrassing blunder
	a light or nimble tread
	a catch mechanism that acts as a switch
	an accidental misstep threatening (or causing) a fall
	an exciting or stimulating experience
	a hallucinatory experience induced by drugs

pass off (verb)	trip (verb)
expel (gases or odors)	get high, stoned, or drugged
come to pass	put in motion or move to act
disappear gradually	miss a step and fall or nearly fall
disregard	cause to stumble
cause to be circulated and accepted in a false character or identity	make a trip for pleasure
be accepted as something or somebody in a false character or identity