tetracycline vs bactericide

tetracycline and bactericide both are nouns.

Word	Noun	Adjective	Verb	Adverb
tetracycline	Yes	No	No	No
bactericide	Yes	No	No	No

As nouns, bactericide is a hypernym of tetracycline; that is, bactericide is a word with a broader meaning than tetracycline:

tetracycline: an antibiotic (trade name Achromycin) derived from microorganisms of the genus Streptomyces and used broadly to treat infections
bactericide: any drug that destroys bacteria or inhibits their growth

Other hypernyms of tetracycline include antibacterial, antibacterial drug.

tetracycline (noun)	bactericide (noun)
an antibiotic (trade name Achromycin) derived from microorganisms of the genus Streptomyces and used broadly to treat infections	any drug that destroys bacteria or inhibits their growth
	any chemical agent that destroys bacteria