DiaBeta vs antidiabetic

DiaBeta and antidiabetic both are nouns.

Word	Noun	Adjective	Verb	Adverb
DiaBeta	Yes	No	No	No
antidiabetic	Yes	No	No	No

As nouns, antidiabetic is a hypernym of DiaBeta; that is, antidiabetic is a word with a broader meaning than DiaBeta:

DiaBeta: an oral antidiabetic drug (trade names DiaBeta and Micronase) that stimulates the release of insulin from the pancreas
antidiabetic: a drug used to treat diabetes mellitus

Other hypernyms of DiaBeta include antidiabetic drug.

DiaBeta (noun)	antidiabetic (noun)
an oral antidiabetic drug (trade names DiaBeta and Micronase) that stimulates the release of insulin from the pancreas	a drug used to treat diabetes mellitus