antivenin vs antivenene

antivenin and antivenene both are nouns.

Word	Noun	Adjective	Verb	Adverb
antivenin	Yes	No	No	No
antivenene	Yes	No	No	No

As nouns, antivenin and antivenene are synonyms defined as:

antivenin and antivenene: an antitoxin that counteracts the effects of venom from the bite of a snake or insect or other animal

antivenin (noun)	antivenene (noun)
an antitoxin that counteracts the effects of venom from the bite of a snake or insect or other animal	an antitoxin that counteracts the effects of venom from the bite of a snake or insect or other animal