departed vs ex-

departed

noun
  • A dead person or persons. 

adj
  • Dead. 

  • Having gone away. 

ex-

prefix
  • former, but still living (almost always used with a hyphen) 

  • out of 

  • outside 

  • Lacking. 

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