wake up vs arouse

wake up and arouse both are verbs.

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

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

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

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

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

wake up (verb)	arouse (verb)
stop sleeping	cause to be alert and energetic
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