shapeliness vs curvaceousness

shapeliness and curvaceousness both are nouns.

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

As nouns, shapeliness and curvaceousness are synonyms defined as:

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

Other synonyms of shapeliness include voluptuousness.

shapeliness (noun)	curvaceousness (noun)
the quality of having a well-rounded body	the quality of having a well-rounded body