comforter vs pacifier

comforter and pacifier both are nouns.

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

As nouns, comforter and pacifier are synonyms defined as:

Other synonyms of comforter include baby's dummy, teething ring.

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