papillary tumor vs papilloma

papillary tumor and papilloma both are nouns.

Word	Noun	Adjective	Verb	Adverb
papillary tumor	Yes	No	No	No
papilloma	Yes	No	No	No

As nouns, papillary tumor and papilloma are synonyms defined as:

papillary tumor and papilloma: a benign epithelial tumor forming a rounded mass

Other synonyms of papillary tumor include papillary tumour, villoma.

papillary tumor (noun)	papilloma (noun)
a benign epithelial tumor forming a rounded mass	a benign epithelial tumor forming a rounded mass