arouse vs alter

arouse and alter both are verbs.

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

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

Other hypernyms of arouse include change, modify.

arouse (verb)	alter (verb)
cause to be alert and energetic	remove the ovaries of
cause to become awake or conscious	become different in some particular way, without permanently losing one's or its former characteristics or essence
stop sleeping	cause to change; make different; cause a transformation
summon into action or bring into existence, often as if by magic	insert words into texts, often falsifying it thereby
call forth (emotions, feelings, and responses)	make an alteration to
to evoke sexual feelings
to begin moving