intercommunication system vs squawker

intercommunication system and squawker both are nouns.

Word	Noun	Adjective	Verb	Adverb
intercommunication system	Yes	No	No	No
squawker	Yes	No	No	No

intercommunication system (noun)	squawker (noun)
a communication system linking different rooms within a building or ship etc	the loudspeaker on an intercom or public address system
	a person given to excessive complaints and crying and whining