rotundness vs globosity

rotundness and globosity both are nouns.

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

As nouns, rotundness and globosity are synonyms defined as:

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

rotundness (noun)	globosity (noun)
the roundness of a 3-dimensional object	the roundness of a 3-dimensional object