antibacterial vs bactericide

antibacterial and bactericide both are nouns.

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

As nouns, antibacterial and bactericide are synonyms defined as:

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

Other synonyms of antibacterial include antibacterial drug.

antibacterial (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

antibacterial (adjective)	bactericide (adjective)
destroying bacteria or inhibiting their growth