everydayness vs mundanity

everydayness and mundanity both are nouns.

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

As nouns, mundanity is a hypernym of everydayness; that is, mundanity is a word with a broader meaning than everydayness:

everydayness: ordinariness as a consequence of being frequent and commonplace
mundanity: the quality of being commonplace and ordinary

Other hypernyms of everydayness include mundaneness, ordinariness.

everydayness (noun)	mundanity (noun)
ordinariness as a consequence of being frequent and commonplace	the quality or character of being intellectually sophisticated and worldly through cultivation or experience or disillusionment
	the quality of being commonplace and ordinary