curvaceousness vs voluptuousness

curvaceousness and voluptuousness both are nouns.

Word	Noun	Adjective	Verb	Adverb
curvaceousness	Yes	No	No	No
voluptuousness	Yes	No	No	No

As nouns, curvaceousness and voluptuousness are synonyms defined as:

curvaceousness and voluptuousness: the quality of having a well-rounded body

Other synonyms of curvaceousness include shapeliness.

curvaceousness (noun)	voluptuousness (noun)
the quality of having a well-rounded body	the quality of having a well-rounded body
	the property of being lush and abundant and a pleasure to the senses
	the quality of being attractive and exciting (especially sexually exciting)