streptothricin vs antibiotic

streptothricin and antibiotic both are nouns.

Word	Noun	Adjective	Verb	Adverb
streptothricin	Yes	No	No	No
antibiotic	Yes	Yes	No	No

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

streptothricin: a basic antibiotic derived from a soil actinomycete
antibiotic: a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections

Other hypernyms of streptothricin include antibiotic drug.

streptothricin (noun)	antibiotic (noun)
a basic antibiotic derived from a soil actinomycete	a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections

streptothricin (adjective)	antibiotic (adjective)
	of or relating to antibiotic drugs