catecholamine vs hormone

catecholamine and hormone both are nouns.

Word	Noun	Adjective	Verb	Adverb
catecholamine	Yes	No	No	No
hormone	Yes	No	No	No

As nouns, hormone is a hypernym of catecholamine; that is, hormone is a word with a broader meaning than catecholamine:

catecholamine: any of a group of chemicals including epinephrine and norepinephrine that are produced in the medulla of the adrenal gland
hormone: the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect

Other hypernyms of catecholamine include endocrine, internal secretion.

catecholamine (noun)	hormone (noun)
any of a group of chemicals including epinephrine and norepinephrine that are produced in the medulla of the adrenal gland	the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect