contemporaneousness vs modernity

contemporaneousness and modernity both are nouns.

Word	Noun	Adjective	Verb	Adverb
contemporaneousness	Yes	No	No	No
modernity	Yes	No	No	No

As nouns, contemporaneousness and modernity are synonyms defined as:

contemporaneousness and modernity: the quality of being current or of the present

Other synonyms of contemporaneousness include contemporaneity, modernism, modernness.

contemporaneousness (noun)	modernity (noun)
the quality of being current or of the present	the quality of being current or of the present
the quality of belonging to the same period of time