rotundity vs globosity

rotundity and globosity both are nouns.

Word	Noun	Adjective	Verb	Adverb
rotundity	Yes	No	No	No
globosity	Yes	No	No	No

As nouns, rotundity and globosity are synonyms defined as:

Other synonyms of rotundity include globularness, rotundness, sphericalness, sphericity.

rotundity (noun)	globosity (noun)
the roundness of a 3-dimensional object	the roundness of a 3-dimensional object
the fullness of a tone of voice