squander vs fool

squander is not a noun while fool is a noun.

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

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

squander (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

squander (verb)	fool (verb)
spend extravagantly	indulge in horseplay
spend thoughtlessly; throw away	fool or hoax
	spend frivolously and unwisely
	make a fool or dupe of