fibroadenoma vs adenoma

fibroadenoma and adenoma both are nouns.

Word	Noun	Adjective	Verb	Adverb
fibroadenoma	Yes	No	No	No
adenoma	Yes	No	No	No

As nouns, adenoma is a hypernym of fibroadenoma; that is, adenoma is a word with a broader meaning than fibroadenoma:

fibroadenoma: benign and movable and firm and not tender tumor of the breast; common in young women and caused by high levels of estrogen
adenoma: a benign epithelial tumor of glandular origin

fibroadenoma (noun)	adenoma (noun)
benign and movable and firm and not tender tumor of the breast; common in young women and caused by high levels of estrogen	a benign epithelial tumor of glandular origin