unassumingness vs naturalness

unassumingness and naturalness both are nouns.

Word	Noun	Adjective	Verb	Adverb
unassumingness	Yes	No	No	No
naturalness	Yes	No	No	No

As nouns, naturalness is a hypernym of unassumingness; that is, naturalness is a word with a broader meaning than unassumingness:

unassumingness (noun)	naturalness (noun)
a quality of naturalness and simplicity	the quality of being natural or based on natural principles
	the likeness of a representation to the thing represented
	the quality of innocent naivete