comforter vs actor

comforter and actor both are nouns.

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

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

comforter: a person who reduces the intensity (e.g., of fears) and calms and pacifies
actor: a person who acts and gets things done

Other hypernyms of comforter include doer, worker.

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