hyperpituitarism vs adenosis

hyperpituitarism and adenosis both are nouns.

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

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

hyperpituitarism: excessive activity of the pituitary gland (especially overactivity of the anterior lobe which leads to excess secretion of growth hormone)
adenosis: a disorder of the glands of the body

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

hyperpituitarism (noun)	adenosis (noun)
excessive activity of the pituitary gland (especially overactivity of the anterior lobe which leads to excess secretion of growth hormone)	a disorder of the glands of the body