globosity vs rotundness

globosity and rotundness both are nouns.

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

As nouns, globosity and rotundness are synonyms defined as:

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

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