diuretic drug vs diuretic

diuretic drug and diuretic both are nouns.

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

As nouns, diuretic drug and diuretic are synonyms defined as:

diuretic drug and diuretic: any substance that tends to increase the flow of urine, which causes the body to get rid of excess water

Other synonyms of diuretic drug include water pill.

diuretic drug (noun)	diuretic (noun)
any substance that tends to increase the flow of urine, which causes the body to get rid of excess water	any substance that tends to increase the flow of urine, which causes the body to get rid of excess water