excite vs fuel

excite is not a noun while fuel is a noun.

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

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

excite (noun)	fuel (noun)
	a substance that can be consumed to produce energy

excite (verb)	fuel (verb)
act as a stimulant	stimulate
produce a magnetic field in	provide with a combustible substance that provides energy
raise to a higher energy level	provide with fuel
stir the feelings, emotions, or peace of	take in fuel, as of a ship
to evoke sexual feelings
arouse or elicit a feeling
cause to be agitated, excited, or roused
stir feelings in