come alive vs arouse

come alive and arouse both are verbs.

Word	Noun	Adjective	Verb	Adverb
come alive	No	No	Yes	No
arouse	No	No	Yes	No

As verbs, come alive and arouse are synonyms defined as:

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

come alive (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