fool away vs exhaust

fool away is not a noun while exhaust is a noun.

Word	Noun	Adjective	Verb	Adverb
fool away	No	No	Yes	No
exhaust	Yes	No	Yes	No

fool away (noun)	exhaust (noun)
	system consisting of the parts of an engine through which burned gases or steam are discharged
	gases ejected from an engine as waste products

fool away (verb)	exhaust (verb)
spend frivolously and unwisely	wear out completely
	eliminate (a substance)
	use up the whole supply of
	use up (resources or materials)
	deplete