ex- vs trans-

ex-

prefix
  • outside 

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

  • out of 

  • Lacking. 

trans-

prefix
  • To or on the other side of, beyond; outside of. 

  • A compound in which two atoms or groups are situated on opposite sides of some plane of symmetry passing through the compound. (Also used without the hyphen as an adjective; see trans.) 

  • Extending across, through, or over. 

  • Transgender or transsexual, or pertaining to those who are transgender or transsexual. 

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