excite vs sex

excite is not a noun while sex is a noun.

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

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

As verbs, excite and sex are synonyms defined as:

Other synonyms of excite include arouse, turn on, wind up.

excite (noun)	sex (noun)
	activities associated with sexual intercourse
	the properties that distinguish organisms on the basis of their reproductive roles
	all of the feelings resulting from the urge to gratify sexual impulses
	either of the two categories (male or female) into which most organisms are divided

excite (verb)	sex (verb)
act as a stimulant	tell the sex (of young chickens)
produce a magnetic field in	to evoke sexual feelings
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