everydayness vs ordinariness

everydayness and ordinariness both are nouns.

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

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

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

Other hypernyms of everydayness include mundaneness, mundanity.

everydayness (noun)	ordinariness (noun)
ordinariness as a consequence of being frequent and commonplace	the quality of being commonplace and ordinary