excite vs impact

excite is not a noun while impact is a noun.

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

As verbs, impact is a hypernym of excite; that is, impact is a word with a broader meaning than excite:

Other hypernyms of excite include affect, bear on, bear upon, touch, touch on.

excite (noun)	impact (noun)
	influencing strongly
	the violent interaction of individuals or groups entering into combat
	the striking of one body against another
	a forceful consequence; a strong effect

excite (verb)	impact (verb)
act as a stimulant	have an effect upon
produce a magnetic field in	press or wedge together; pack together
raise to a higher energy level
stir the feelings, emotions, or peace of
to evoke sexual feelings
arouse or elicit a feeling
cause to be agitated, excited, or roused
stir feelings in