squelch vs squelcher

squelch and squelcher both are nouns.

Word	Noun	Adjective	Verb	Adverb
squelch	Yes	No	Yes	No
squelcher	Yes	No	No	No

As nouns, squelch and squelcher are synonyms defined as:

squelch and squelcher: an electric circuit that cuts off a receiver when the signal becomes weaker than the noise

Other synonyms of squelch include squelch circuit.

As nouns, squelch and squelcher are synonyms defined as:

Other synonyms of squelch include put-down, takedown.

squelch (noun)	squelcher (noun)
an electric circuit that cuts off a receiver when the signal becomes weaker than the noise	an electric circuit that cuts off a receiver when the signal becomes weaker than the noise
a crushing remark	a crushing remark

squelch (verb)	squelcher (verb)
suppress or crush completely
to compress with violence, out of natural shape or condition
walk through mud or mire
make a sucking sound