arouse vs perk up

arouse and perk up both are verbs.

Word	Noun	Adjective	Verb	Adverb
arouse	No	No	Yes	No
perk up	No	No	Yes	No

As verbs, arouse and perk up are synonyms defined as:

Other synonyms of arouse include brace, energise, energize, stimulate.

arouse (verb)	perk up (verb)
cause to be alert and energetic	gain or regain energy
cause to become awake or conscious	cause to be alert and energetic
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