exhaust vs exhaustion

exhaust and exhaustion both are nouns.

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

exhaust (noun)	exhaustion (noun)
system consisting of the parts of an engine through which burned gases or steam are discharged	the act of exhausting something entirely
gases ejected from an engine as waste products	serious weakening and loss of energy
	extreme fatigue

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