eat vs fool

eat is not a noun while fool is a noun.

Word	Noun	Adjective	Verb	Adverb
eat	No	No	Yes	No
fool	Yes	No	Yes	No

eat (noun)	fool (noun)
	a person who lacks good judgment
	a person who is gullible and easy to take advantage of
	a professional clown employed to entertain a king or nobleman in the Middle Ages

eat (verb)	fool (verb)
cause to deteriorate due to the action of water, air, or an acid	indulge in horseplay
take in solid food	fool or hoax
eat a meal; take a meal	spend frivolously and unwisely
take in food; used of animals only	make a fool or dupe of
use up (resources or materials)
worry or cause anxiety in a persistent way