contemporariness vs modernness

contemporariness and modernness both are nouns.

Word	Noun	Adjective	Verb	Adverb
contemporariness	Yes	No	No	No
modernness	Yes	No	No	No

As nouns, modernness is a hypernym of contemporariness; that is, modernness is a word with a broader meaning than contemporariness:

contemporariness: The state or quality of being contemporary, modern, of the present age.
modernness: the quality of being current or of the present

Other hypernyms of contemporariness include contemporaneity, contemporaneousness, modernism, modernity.

contemporariness (noun)	modernness (noun)
The state or quality of being contemporary, modern, of the present age.	the quality of being current or of the present