actinomycin vs antibiotic drug

actinomycin and antibiotic drug both are nouns.

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

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

actinomycin: any of various red antibiotics isolated from soil bacteria
antibiotic drug: a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections

Other hypernyms of actinomycin include antibiotic.

actinomycin (noun)	antibiotic drug (noun)
any of various red antibiotics isolated from soil bacteria	a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections