ex- vs subsequent

ex-

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

  • out of 

  • outside 

  • Lacking. 

subsequent

adj
  • Following in order of place; succeeding. 

  • Following a line in the earth that is more easily eroded. 

  • Following in time; coming or being after something else at any time, indefinitely. 

noun
  • A subsequent stream or faultline. 

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