silencer vs silence

silencer and silence both are nouns.

Word	Noun	Adjective	Verb	Adverb
silencer	Yes	No	No	No
silence	Yes	No	Yes	No

silencer (noun)	silence (noun)
a tubular acoustic device inserted in the exhaust system that is designed to reduce noise	the absence of sound
short tube attached to the muzzle of a gun that deadens the sound of firing	a refusal to speak when expected
	the trait of keeping things secret
	the state of being silent (as when no one is speaking)

silencer (verb)	silence (verb)
	cause to be quiet or not talk
	keep from expression, for example by threats or pressure