ex- vs i-

ex-

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

  • out of 

  • outside 

  • Lacking. 

i-

prefix
  • A form of the prefix in-, used before gn, as in ignoble, ignominy, and ignore. 

  • Alluding to the Internet. 

  • Used to transform English words into words used by Rastafarians with a special meaning. 

  • Alluding to digital devices and computer programs, especially those that are cutting-edge or fashionable, and those from Apple. 

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