unconnected vs unconnectedness

unconnected is not a noun while unconnectedness is a noun.

Word	Noun	Adjective	Verb	Adverb
unconnected	No	Yes	No	No
unconnectedness	Yes	No	No	No

unconnected (noun)	unconnectedness (noun)
	the lack of a connection between things

unconnected (adjective)	unconnectedness (adjective)
not joined or linked together
lacking orderly continuity
not connected by birth or family