stir up vs set off

stir up and set off both are verbs.

Word	Noun	Adjective	Verb	Adverb
stir up	No	No	Yes	No
set off	No	No	Yes	No

As verbs, stir up and set off are synonyms defined as:

Other synonyms of stir up include incite, instigate.

stir up (verb)	set off (verb)
provoke or stir up	cause to burst with a violent release of energy
change the arrangement or position of	set in motion or cause to begin
arouse or excite feelings and passions	direct attention to, as if by means of contrast
try to stir up public opinion	provoke or stir up
	put in motion or move to act
	depart for someplace
	make up for