adenopathy vs gland disease

adenopathy and gland disease both are nouns.

Word	Noun	Adjective	Verb	Adverb
adenopathy	Yes	No	No	No
gland disease	Yes	No	No	No

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

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

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

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