set off vs pass off

set off and pass off both are verbs.

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

set off (verb)	pass off (verb)
cause to burst with a violent release of energy	expel (gases or odors)
set in motion or cause to begin	come to pass
direct attention to, as if by means of contrast	disappear gradually
provoke or stir up	disregard
put in motion or move to act	cause to be circulated and accepted in a false character or identity
depart for someplace	be accepted as something or somebody in a false character or identity
make up for