rifampin vs bactericide

rifampin and bactericide both are nouns.

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

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

rifampin: an antibacterial drug (trade names Rifadin and Rimactane) used to treat tuberculosis
bactericide: any drug that destroys bacteria or inhibits their growth

Other hypernyms of rifampin include antibacterial, antibacterial drug.

rifampin (noun)	bactericide (noun)
an antibacterial drug (trade names Rifadin and Rimactane) used to treat tuberculosis	any drug that destroys bacteria or inhibits their growth
	any chemical agent that destroys bacteria