commonality vs commonness

commonality and commonness both are nouns.

Word	Noun	Adjective	Verb	Adverb
commonality	Yes	No	No	No
commonness	Yes	No	No	No

As nouns, commonality and commonness are synonyms defined as:

commonality (noun)	commonness (noun)
sharing of common attributes	ordinariness as a consequence of being frequent and commonplace
a class composed of persons lacking clerical or noble rank	sharing of common attributes
	the quality of lacking taste and refinement
	the state of being that is commonly observed