squelcher vs squelch circuit

squelcher and squelch circuit both are nouns.

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

As nouns, squelcher and squelch circuit are synonyms defined as:

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

Other synonyms of squelcher include squelch.

squelcher (noun)	squelch circuit (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