predaciousness vs rapacity

predaciousness and rapacity both are nouns.

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

As nouns, predaciousness and rapacity are synonyms defined as:

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

Other synonyms of predaciousness include predaceousness, rapaciousness.

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