energise vs arouse

energise and arouse both are verbs.

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

As verbs, energise and arouse are synonyms defined as:

Other synonyms of energise include brace, energize, perk up, stimulate.

energise (verb)	arouse (verb)
cause to be alert and energetic	cause to be alert and energetic
raise to a higher energy level	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