arouse vs anger

arouse is not a noun while anger is a noun.

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

As verbs, anger is a hyponym of arouse; that is, anger is a word with a more specific, narrower meaning than arouse:

arouse (noun)	anger (noun)
	belligerence aroused by a real or supposed wrong (personified as one of the deadly sins)
	a strong emotion; a feeling that is oriented toward some real or supposed grievance
	the state of being angry

arouse (verb)	anger (verb)
cause to be alert and energetic	make angry
cause to become awake or conscious	become angry
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