hearing vs voicing

hearing

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. 

adj
  • Able to hear, as opposed to deaf. 

voicing

noun
  • A phonological process that turns a voiceless sound into a voiced one. 

  • A classification of speech sounds that tend to be associated with vocal cord vibration. 

  • A particular arrangement of notes to form a chord. 

  • The final regulation of the pitch and tone of any sound-producing entity, especially of an organ or similar musical instrument. 

  • The articulatory process in which the vocal cords vibrate. 

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