mamilla vs teat

mamilla and teat both are nouns.

Word	Noun	Adjective	Verb	Adverb
mamilla	Yes	No	No	No
teat	Yes	No	No	No

As nouns, mamilla and teat are synonyms defined as:

Other synonyms of mamilla include mammilla, nipple, pap, tit.

mamilla (noun)	teat (noun)
the small projection of a mammary gland	the small projection of a mammary gland