mundanity vs commonness

mundanity and commonness both are nouns.

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

As nouns, commonness is a hyponym of mundanity; that is, commonness is a word with a more specific, narrower meaning than mundanity:

Other hyponyms of mundanity include averageness, mediocrity, expectedness, commonplaceness, everydayness.

mundanity (noun)	commonness (noun)
the quality or character of being intellectually sophisticated and worldly through cultivation or experience or disillusionment	ordinariness as a consequence of being frequent and commonplace
the quality of being commonplace and ordinary	sharing of common attributes
	the quality of lacking taste and refinement
	the state of being that is commonly observed