stir up vs stir

stir up is not a noun while stir is a noun.

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

stir up (noun)	stir (noun)
	a rapid active commotion
	emotional agitation and excitement
	a prominent or sensational but short-lived news event

stir up (verb)	stir (verb)
provoke or stir up	mix or add by stirring
change the arrangement or position of	summon into action or bring into existence, often as if by magic
arouse or excite feelings and passions	affect emotionally
try to stir up public opinion	stir the feelings, emotions, or peace of
	move very slightly
	move an implement through
	to begin moving
	stir feelings in