affectedness vs unnatural

affectedness is a noun but unnatural is not a noun.

Word	Noun	Adjective	Verb	Adverb
affectedness	Yes	No	No	No
unnatural	No	Yes	No	No

affectedness (noun)	unnatural (noun)
a deliberate pretense or exaggerated display
the quality of being false or artificial (as to impress others)

affectedness (adjective)	unnatural (adjective)
	not in accordance with or determined by nature; contrary to nature
	not normal; not typical or usual or regular or conforming to a norm
	speaking or behaving in an artificial way to make an impression