Diuril vs antihypertensive

Diuril and antihypertensive both are nouns.

Word	Noun	Adjective	Verb	Adverb
Diuril	Yes	No	No	No
antihypertensive	Yes	No	No	No

As nouns, antihypertensive is a hypernym of Diuril; that is, antihypertensive is a word with a broader meaning than Diuril:

Diuril: a diuretic drug (trade name Diuril) used in the treatment of edema and hypertension
antihypertensive: a drug that reduces high blood pressure

Other hypernyms of Diuril include antihypertensive drug, thiazide.

Diuril (noun)	antihypertensive (noun)
a diuretic drug (trade name Diuril) used in the treatment of edema and hypertension	a drug that reduces high blood pressure