excite vs sex activity

excite is not a noun while sex activity is a noun.

Word	Noun	Adjective	Verb	Adverb
excite	No	No	Yes	No
sex activity	Yes	No	No	No

excite (noun)	sex activity (noun)
	activities associated with sexual intercourse

excite (verb)	sex activity (verb)
act as a stimulant
produce a magnetic field in
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