cycloserine vs antibiotic

cycloserine and antibiotic both are nouns.

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

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

cycloserine: an antibiotic that is especially active against the tubercle bacillus
antibiotic: a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections

Other hypernyms of cycloserine include antibiotic drug.

cycloserine (noun)	antibiotic (noun)
an antibiotic that is especially active against the tubercle bacillus	a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections

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