Zithromax vs azithromycin

Zithromax and azithromycin both are nouns.

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

As nouns, Zithromax and azithromycin are synonyms defined as:

Zithromax and azithromycin: a systemic antibacterial medicine (trade name Zithromax) that is prescribed to treat bacterial infections in many different parts of the body

Zithromax (noun)	azithromycin (noun)
a systemic antibacterial medicine (trade name Zithromax) that is prescribed to treat bacterial infections in many different parts of the body	a systemic antibacterial medicine (trade name Zithromax) that is prescribed to treat bacterial infections in many different parts of the body