azithromycin vs antibacterial

azithromycin and antibacterial both are nouns.

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

As nouns, antibacterial is a hypernym of azithromycin; that is, antibacterial is a word with a broader meaning than azithromycin:

azithromycin: a systemic antibacterial medicine (trade name Zithromax) that is prescribed to treat bacterial infections in many different parts of the body
antibacterial: any drug that destroys bacteria or inhibits their growth

Other hypernyms of azithromycin include antibacterial drug, bactericide.

azithromycin (noun)	antibacterial (noun)
a systemic antibacterial medicine (trade name Zithromax) that is prescribed to treat bacterial infections in many different parts of the body	any drug that destroys bacteria or inhibits their growth

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