exhaust vs muffler

exhaust and muffler both are nouns.

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

exhaust (noun)	muffler (noun)
system consisting of the parts of an engine through which burned gases or steam are discharged	a scarf worn around the neck
gases ejected from an engine as waste products	a tubular acoustic device inserted in the exhaust system that is designed to reduce noise
	a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations

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