act vs stir up

act is a noun but stir up is not a noun.

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

act (noun)	stir up (noun)
something that people do or cause to happen
a subdivision of a play or opera or ballet
a legal document codifying the result of deliberations of a committee or society or legislative body
a short performance that is part of a longer program
a manifestation of insincerity

act (verb)	stir up (verb)
behave in a certain manner; show a certain behavior; conduct or comport oneself	provoke or stir up
pretend to have certain qualities or state of mind	change the arrangement or position of
discharge one's duties	arouse or excite feelings and passions
play a role or part	try to stir up public opinion
perform on a stage or theater
behave unnaturally or affectedly
perform an action, or work out or perform (an action)
have an effect or outcome; often the one desired or expected
be suitable for theatrical performance