modernity vs contemporaneousness

modernity and contemporaneousness both are nouns.

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

As nouns, modernity and contemporaneousness are synonyms defined as:

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

Other synonyms of modernity include contemporaneity, modernism, modernness.

modernity (noun)	contemporaneousness (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