acromegalia vs hyperpituitarism

acromegalia and hyperpituitarism both are nouns.

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

acromegalia (noun)	hyperpituitarism (noun)
enlargement of bones of hands and feet and face; often accompanied by headache and muscle pain and emotional disturbances; caused by overproduction of growth hormone by the anterior pituitary gland (due to a tumor)	excessive activity of the pituitary gland (especially overactivity of the anterior lobe which leads to excess secretion of growth hormone)