voraciousness vs rapaciousness

voraciousness and rapaciousness both are nouns.

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

As nouns, voraciousness and rapaciousness are synonyms defined as:

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

As nouns, voraciousness and rapaciousness are synonyms defined as:

voraciousness and rapaciousness: an excessive desire for wealth (usually in large amounts)

Other synonyms of voraciousness include greediness.

voraciousness (noun)	rapaciousness (noun)
extreme gluttony	extreme gluttony
an excessive desire for wealth (usually in large amounts)	an excessive desire for wealth (usually in large amounts)
excessive desire to eat	(of an animal, usually a bird) The quality of subsisting off live prey.