discoverable vs unrecognizable

discoverable

adj
  • Subject to legal discovery; able to be requested by an opposing party through a legal process such as a subpoena. 

  • Able to be discovered. 

unrecognizable

adj
  • that cannot be recognized, especially because of substantial changes 

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