affect vs excite

affect is a noun but excite is not a noun.

Word	Noun	Adjective	Verb	Adverb
affect	Yes	No	Yes	No
excite	No	No	Yes	No

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

affect (noun)	excite (noun)
the conscious subjective aspect of feeling or emotion

affect (verb)	excite (verb)
act physically on; have an effect upon	act as a stimulant
have an effect upon	produce a magnetic field in
make believe with the intent to deceive	raise to a higher energy level
have an emotional or cognitive impact upon	stir the feelings, emotions, or peace of
connect closely and often incriminatingly	to evoke sexual feelings
	arouse or elicit a feeling
	cause to be agitated, excited, or roused
	stir feelings in