papillary tumor vs villoma

papillary tumor and villoma both are nouns.

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

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

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

Other synonyms of papillary tumor include papillary tumour, papilloma.

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