waken vs arouse

waken and arouse both are verbs.

Word	Noun	Adjective	Verb	Adverb
waken	No	No	Yes	No
arouse	No	No	Yes	No

As verbs, waken and arouse are synonyms defined as:

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

As verbs, waken and arouse are synonyms defined as:

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

waken (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