stir up vs rumpus

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

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

As verbs, rumpus is a hyponym of stir up; that is, rumpus is a word with a more specific, narrower meaning than stir up:

stir up (noun)	rumpus (noun)
	the act of making a noisy disturbance

stir up (verb)	rumpus (verb)
provoke or stir up	cause a disturbance
change the arrangement or position of
arouse or excite feelings and passions
try to stir up public opinion