hearing vs intonation

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. 

intonation

noun
  • A sound made by, or resembling that made by, a musical instrument. 

  • Emotive stress used to increase the power of delivery in speech. 

  • Reciting in a musical prolonged tone; intonating or singing of the opening phrase of a plain-chant, psalm, or canticle by a single voice, as of a priest. 

  • The rise and fall of the voice in speaking. 

  • Singing or playing in good tune or otherwise. 

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