papilloma vs villoma

papilloma and villoma both are nouns.

Word	Noun	Adjective	Verb	Adverb
papilloma	Yes	No	No	No
villoma	Yes	No	No	No

As nouns, papilloma and villoma are synonyms defined as:

Other synonyms of papilloma include papillary tumor, papillary tumour.

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