animal toxin vs zootoxin

animal toxin and zootoxin both are nouns.

Word	Noun	Adjective	Verb	Adverb
animal toxin	Yes	No	No	No
zootoxin	Yes	No	No	No

As nouns, animal toxin and zootoxin are synonyms defined as:

animal toxin and zootoxin: a toxin resembling bacterial toxins in its antigenic properties that is found in the fluids of certain animals

animal toxin (noun)	zootoxin (noun)
a toxin resembling bacterial toxins in its antigenic properties that is found in the fluids of certain animals	a toxin resembling bacterial toxins in its antigenic properties that is found in the fluids of certain animals