unconnected vs connexion

unconnected is not a noun while connexion is a noun.

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

unconnected (noun)	connexion (noun)
	the act of bringing two things into contact (especially for communication)
	shifting from one form of transportation to another
	an instrumentality that connects
	the process of bringing ideas or events together in memory or imagination
	a relation between things or events (as in the case of one causing the other or sharing features with it)
	a connecting shape

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