reinvigorate vs arouse

reinvigorate and arouse both are verbs.

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

As verbs, arouse is a hypernym of reinvigorate; that is, arouse is a word with a broader meaning than reinvigorate:

Other hypernyms of reinvigorate include brace, energise, energize, perk up, stimulate.

reinvigorate (verb)	arouse (verb)
impart vigor, strength, or vitality to	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