awake vs arouse

awake is an adjective but arouse is not an adjective.

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

As verbs, awake and arouse are synonyms defined as:

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

awake (adjective)	arouse (adjective)
not in a state of sleep; completely conscious
mentally perceptive and responsive

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