arouse vs wake up

arouse and wake up both are verbs.

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

As verbs, arouse and wake up are synonyms defined as:

Other synonyms of arouse include awaken, rouse, wake, waken.

As verbs, arouse and wake up are synonyms defined as:

Other synonyms of arouse include awake, awaken, come alive, wake, waken.

arouse (verb)	wake up (verb)
cause to be alert and energetic	stop sleeping
cause to become awake or conscious	cause to become awake or conscious
stop sleeping
summon into action or bring into existence, often as if by magic
call forth (emotions, feelings, and responses)
to evoke sexual feelings
to begin moving