arouse vs stir up

arouse and stir up both are verbs.

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

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

arouse (verb)	stir up (verb)
cause to be alert and energetic	provoke or stir up
cause to become awake or conscious	change the arrangement or position of
stop sleeping	arouse or excite feelings and passions
summon into action or bring into existence, often as if by magic	try to stir up public opinion
call forth (emotions, feelings, and responses)
to evoke sexual feelings
to begin moving