contiguous vs unattached

contiguous

adj
  • Connected; touching; abutting. 

  • Adjacent; neighboring. 

  • Connecting without a break. 

unattached

adj
  • Not connected with or belonging to a particular group or organization. 

  • Not attached or joined; disconnected. 

  • Not married and not involved in a romantic relationship. 

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