connected vs connectedness

connected is not a noun while connectedness is a noun.

Word	Noun	Adjective	Verb	Adverb
connected	No	Yes	No	No
connectedness	Yes	No	No	No

connected (noun)	connectedness (noun)
	a relation between things or events (as in the case of one causing the other or sharing features with it)
	the state of being connected

connected (adjective)	connectedness (adjective)
joined or linked together
plugged in
being joined in close association
wired together to an alarm system
stored in, controlled by, or in direct communication with a central computer