subtilin vs antibiotic drug

subtilin and antibiotic drug both are nouns.

Word	Noun	Adjective	Verb	Adverb
subtilin	Yes	No	No	No
antibiotic drug	Yes	No	No	No

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

subtilin: a polypeptide antibiotic (similar to bacitracin) obtained from a soil bacterium
antibiotic drug: a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections

Other hypernyms of subtilin include antibiotic.

subtilin (noun)	antibiotic drug (noun)
a polypeptide antibiotic (similar to bacitracin) obtained from a soil bacterium	a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections