hearing vs unwritten

hearing

adj
  • Able to hear, as opposed to deaf. 

noun
  • The sense used to perceive sound. 

  • A proceeding at which discussions are heard. 

  • The act by which something is heard. 

  • A legal procedure done before a judge, without a jury, as with an evidentiary hearing. 

unwritten

adj
  • Oral or otherwise communicated without writing. 

  • Not written. 

  • Implicit or understood but not formally articulated. 

  • Containing no writing; blank. 

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