adenopathy vs adenosis

adenopathy and adenosis both are nouns.

Word	Noun	Adjective	Verb	Adverb
adenopathy	Yes	No	No	No
adenosis	Yes	No	No	No

As nouns, adenosis is a hypernym of adenopathy; that is, adenosis is a word with a broader meaning than adenopathy:

adenopathy: a glandular disease or enlargement of glandular tissue (especially of the lymph glands)
adenosis: a disorder of the glands of the body

Other hypernyms of adenopathy include gland disease, glandular disease, glandular disorder.

adenopathy (noun)	adenosis (noun)
a glandular disease or enlargement of glandular tissue (especially of the lymph glands)	a disorder of the glands of the body