automobile engine vs exhaust

automobile engine and exhaust both are nouns.

Word	Noun	Adjective	Verb	Adverb
automobile engine	Yes	No	No	No
exhaust	Yes	No	Yes	No

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

automobile engine (verb)	exhaust (verb)
	wear out completely
	eliminate (a substance)
	use up the whole supply of
	use up (resources or materials)
	deplete