comforter vs communicator

comforter and communicator both are nouns.

Word	Noun	Adjective	Verb	Adverb
comforter	Yes	No	No	No
communicator	Yes	No	No	No

As nouns, communicator is a hypernym of comforter; that is, communicator is a word with a broader meaning than comforter:

comforter (noun)	communicator (noun)
bedding made of two layers of cloth filled with stuffing and stitched together	a person who communicates with others
device used for an infant to suck or bite on
a person who commiserates with someone who has had misfortune
a person who reduces the intensity (e.g., of fears) and calms and pacifies