loop gain vs telecom

loop gain and telecom both are nouns.

Word	Noun	Adjective	Verb	Adverb
loop gain	Yes	No	No	No
telecom	Yes	No	No	No

loop gain (noun)	telecom (noun)
(telecommunication) the gain of a feedback amplifier or system as a function of how much output is fed back to the input	(often plural) systems used in transmitting messages over a distance electronically