exhaust vs revel

exhaust and revel both are nouns.

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

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

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