globularness vs sphericity

globularness and sphericity both are nouns.

Word	Noun	Adjective	Verb	Adverb
globularness	Yes	No	No	No
sphericity	Yes	No	No	No

As nouns, globularness and sphericity are synonyms defined as:

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

globularness (noun)	sphericity (noun)
the roundness of a 3-dimensional object	the roundness of a 3-dimensional object