Cushing's syndrome vs adenosis

Cushing's syndrome and adenosis both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cushing's syndrome	Yes	No	No	No
adenosis	Yes	No	No	No

As nouns, adenosis is a hypernym of Cushing's syndrome; that is, adenosis is a word with a broader meaning than Cushing's syndrome:

Other hypernyms of Cushing's syndrome include gland disease, glandular disease, glandular disorder.

Cushing's syndrome (noun)	adenosis (noun)
a glandular disorder caused by excessive cortisol	a disorder of the glands of the body