mammilla vs pap

mammilla and pap both are nouns.

Word	Noun	Adjective	Verb	Adverb
mammilla	Yes	No	No	No
pap	Yes	No	No	No

As nouns, mammilla and pap are synonyms defined as:

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

mammilla (noun)	pap (noun)
the small projection of a mammary gland	the small projection of a mammary gland
	worthless or oversimplified ideas
	a diet that does not require chewing; advised for those with intestinal disorders