muffler vs muffle

muffler and muffle both are nouns.

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

muffler (noun)	muffle (noun)
a scarf worn around the neck	a kiln with an inner chamber for firing things at a low temperature
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

muffler (verb)	muffle (verb)
	suppress in order to conceal or hide
	deaden (a sound or noise), especially by wrapping