glipizide vs antidiabetic drug

glipizide and antidiabetic drug both are nouns.

Word	Noun	Adjective	Verb	Adverb
glipizide	Yes	No	No	No
antidiabetic drug	Yes	No	No	No

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

glipizide: an oral antidiabetic drug (trade name Glucotrol) that stimulates the release of insulin from the pancreas
antidiabetic drug: a drug used to treat diabetes mellitus

Other hypernyms of glipizide include antidiabetic.

glipizide (noun)	antidiabetic drug (noun)
an oral antidiabetic drug (trade name Glucotrol) that stimulates the release of insulin from the pancreas	a drug used to treat diabetes mellitus