eruct vs exhaust

eruct is not a noun while exhaust is a noun.

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

As verbs, exhaust is a hypernym of eruct; that is, exhaust is a word with a broader meaning than eruct:

Other hypernyms of eruct include discharge, eject, expel, release.

eruct (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

eruct (verb)	exhaust (verb)
expel gas from the stomach	wear out completely
eject or send out in large quantities, also metaphorical	eliminate (a substance)
	use up the whole supply of
	use up (resources or materials)
	deplete