squawker vs speaker

squawker and speaker both are nouns.

Word	Noun	Adjective	Verb	Adverb
squawker	Yes	No	No	No
speaker	Yes	No	No	No

As nouns, speaker is a hypernym of squawker; that is, speaker is a word with a broader meaning than squawker:

squawker: the loudspeaker on an intercom or public address system
speaker: electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance

Other hypernyms of squawker include loudspeaker, loudspeaker system, speaker system, speaker unit.

squawker (noun)	speaker (noun)
the loudspeaker on an intercom or public address system	electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance
a person given to excessive complaints and crying and whining	someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)