dissonance vs ear rape

dissonance

noun
  • A harsh, discordant combination of sounds. 

  • An instance of disharmony or disjunction; a clash. 

  • Conflicting notes that are not overtones of the note or chord sounding. 

  • A state of disagreement or conflict. 

ear rape

noun
  • Horrible sounds or music. 

  • Delibrately lowered quality and/or distorted music (i.e. increasing the volume of audio) often for humorous effect. 

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