bactericide vs antibacterial drug

bactericide and antibacterial drug both are nouns.

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

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

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

Other synonyms of bactericide include antibacterial.

bactericide (noun)	antibacterial drug (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