arouse vs bruise

arouse is not a noun while bruise is a noun.

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

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

arouse (noun)	bruise (noun)
	an injury that doesn't break the skin but results in some discoloration

arouse (verb)	bruise (verb)
cause to be alert and energetic	damage (plant tissue) by abrasion or pressure
cause to become awake or conscious	break up into small pieces for food preparation
stop sleeping	injure the underlying soft tissue or bone of
summon into action or bring into existence, often as if by magic	hurt the feelings of
call forth (emotions, feelings, and responses)
to evoke sexual feelings
to begin moving