connexion vs unconnectedness

connexion

noun
  • The inter-relationship of prayer groups or religious societies under the oversight of an itinerant preacher who is assisted by the local preachers attached to each society. 

  • The description for a Methodist denomination as a whole, as opposed to its constituent churches, circuits, districts and conferences (US spelling: connection). 

  • Dated spelling of connection. 

unconnectedness

noun
  • The state or property of being unconnected (not connected or joined). 

How often have the words connexion and unconnectedness occurred in a corpus of books? (source: Google Ngram Viewer )