expend vs fool

expend is not a noun while fool is a noun.

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

expend (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

expend (verb)	fool (verb)
use up (resources or materials)	indulge in horseplay
pay out	fool or hoax
	spend frivolously and unwisely
	make a fool or dupe of