Lozal vs diuretic drug

Lozal and diuretic drug both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lozal	Yes	No	No	No
diuretic drug	Yes	No	No	No

As nouns, diuretic drug is a hypernym of Lozal; that is, diuretic drug is a word with a broader meaning than Lozal:

Lozal: diuretic (trade name Lozal) used in the treatment of hypertension
diuretic drug: any substance that tends to increase the flow of urine, which causes the body to get rid of excess water

Other hypernyms of Lozal include diuretic, water pill.

Lozal (noun)	diuretic drug (noun)
diuretic (trade name Lozal) used in the treatment of hypertension	any substance that tends to increase the flow of urine, which causes the body to get rid of excess water