voraciousness vs rapacity

voraciousness and rapacity both are nouns.

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

As nouns, voraciousness and rapacity are synonyms defined as:

Other synonyms of voraciousness include edacity, esurience, rapaciousness, voracity.

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