baby's dummy vs teething ring

baby's dummy and teething ring both are nouns.

Word	Noun	Adjective	Verb	Adverb
baby's dummy	Yes	No	No	No
teething ring	Yes	No	No	No

As nouns, baby's dummy and teething ring are synonyms defined as:

baby's dummy and teething ring: device used for an infant to suck or bite on

Other synonyms of baby's dummy include comforter, pacifier.

baby's dummy (noun)	teething ring (noun)
device used for an infant to suck or bite on	device used for an infant to suck or bite on