discord vs ear rape

discord

noun
  • Any harsh noise, or confused mingling of sounds. 

  • Tension or strife resulting from a lack of agreement; dissension. 

  • An inharmonious combination of simultaneously sounded tones; a dissonance. 

  • Lack of concord, agreement or harmony. 

verb
  • To untie things which are connected by a cord. 

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 discord and ear rape occurred in a corpus of books? (source: Google Ngram Viewer )