revel vs exhaust

revel and exhaust both are nouns.

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

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

revel (verb)	exhaust (verb)
take delight in	wear out completely
celebrate noisily, often indulging in drinking; engage in uproarious festivities	eliminate (a substance)
	use up the whole supply of
	use up (resources or materials)
	deplete