harmony vs rupture

harmony

noun
  • A literary work which brings together or arranges systematically parallel passages of historians respecting the same events, and shows their agreement or consistency. 

  • A pleasing combination of elements, or arrangement of sounds. 

  • The relationship between two distinct musical pitches (musical pitches being frequencies of vibration which produce audible sound) played simultaneously. 

  • The academic study of chords. 

  • Agreement or accord. 

  • Two or more notes played simultaneously to produce a chord. 

rupture

noun
  • A social breach or break, between individuals or groups. 

  • A failure mode in which a tough ductile material pulls apart rather than cracking. 

  • A burst, split, or break. 

  • A break or tear in soft tissue, such as a muscle. 

verb
  • To burst, break through, or split, as under pressure. 

  • To dehisce irregularly. 

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