rapacity vs predaceousness

rapacity and predaceousness both are nouns.

Word	Noun	Adjective	Verb	Adverb
rapacity	Yes	No	No	No
predaceousness	Yes	No	No	No

As nouns, rapacity and predaceousness are synonyms defined as:

rapacity and predaceousness: (of an animal, usually a bird) The quality of subsisting off live prey.

Other synonyms of rapacity include predaciousness, rapaciousness.

rapacity (noun)	predaceousness (noun)
reprehensible acquisitiveness; insatiable desire for wealth (personified as one of the deadly sins)	(of an animal, usually a bird) The quality of subsisting off live prey.
extreme gluttony
(of an animal, usually a bird) The quality of subsisting off live prey.