Cardizem vs diltiazem

Cardizem and diltiazem both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cardizem	Yes	No	No	No
diltiazem	Yes	No	No	No

As nouns, Cardizem and diltiazem are synonyms defined as:

Cardizem and diltiazem: a calcium blocker (trade name Cardizem) used in treating hypertension or angina or heart failure

Cardizem (noun)	diltiazem (noun)
a calcium blocker (trade name Cardizem) used in treating hypertension or angina or heart failure	a calcium blocker (trade name Cardizem) used in treating hypertension or angina or heart failure