pacifier vs comforter

pacifier and comforter both are nouns.

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

As nouns, pacifier and comforter are synonyms defined as:

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

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