rapaciousness vs zoophagy

rapaciousness and zoophagy both are nouns.

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

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

rapaciousness: (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 rapaciousness include carnivorousness.

rapaciousness (noun)	zoophagy (noun)
extreme gluttony	The quality of being an animal that eats meat as the main part of its diet.
an excessive desire for wealth (usually in large amounts)
(of an animal, usually a bird) The quality of subsisting off live prey.