fool vs expend

fool is a noun but expend is not a noun.

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

fool (noun)	expend (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

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