predaciousness vs zoophagy

predaciousness and zoophagy both are nouns.

Word	Noun	Adjective	Verb	Adverb
predaciousness	Yes	No	No	No
zoophagy	Yes	No	No	No

As nouns, zoophagy is a hypernym of predaciousness; that is, zoophagy is a word with a broader meaning than predaciousness:

predaciousness: (of an animal, usually a bird) The quality of subsisting off live prey.
zoophagy: The quality of being an animal that eats meat as the main part of its diet.

Other hypernyms of predaciousness include carnivorousness.

predaciousness (noun)	zoophagy (noun)
(of an animal, usually a bird) The quality of subsisting off live prey.	The quality of being an animal that eats meat as the main part of its diet.