exhaust vs enjoy

exhaust is a noun but enjoy is not a noun.

Word	Noun	Adjective	Verb	Adverb
exhaust	Yes	No	Yes	No
enjoy	No	No	Yes	No

exhaust (noun)	enjoy (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

exhaust (verb)	enjoy (verb)
wear out completely	take delight in
eliminate (a substance)	have benefit from
use up the whole supply of	derive or receive pleasure from; get enjoyment from; take pleasure in
use up (resources or materials)	get pleasure from
deplete	have for one's benefit