antibacterial drug vs bactericide

antibacterial drug and bactericide both are nouns.

Word	Noun	Adjective	Verb	Adverb
antibacterial drug	Yes	No	No	No
bactericide	Yes	No	No	No

As nouns, antibacterial drug and bactericide are synonyms defined as:

antibacterial drug and bactericide: any drug that destroys bacteria or inhibits their growth

Other synonyms of antibacterial drug include antibacterial.

antibacterial drug (noun)	bactericide (noun)
any drug that destroys bacteria or inhibits their growth	any drug that destroys bacteria or inhibits their growth
	any chemical agent that destroys bacteria