trip vs pass off

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

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

trip (noun)	pass off (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

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