hyperadrenalism vs Cushing's disease

hyperadrenalism and Cushing's disease both are nouns.

Word	Noun	Adjective	Verb	Adverb
hyperadrenalism	Yes	No	No	No
Cushing's disease	Yes	No	No	No

As nouns, hyperadrenalism and Cushing's disease are synonyms defined as:

hyperadrenalism and Cushing's disease: a glandular disorder caused by excessive ACTH resulting in greater than normal functioning of the adrenal gland; characterized by obesity

hyperadrenalism (noun)	Cushing's disease (noun)
a glandular disorder caused by excessive ACTH resulting in greater than normal functioning of the adrenal gland; characterized by obesity	a glandular disorder caused by excessive ACTH resulting in greater than normal functioning of the adrenal gland; characterized by obesity