agitation vs harmony

agitation

noun
  • A disturbance of personal tranquillity; disturbance of someone's peace of mind. 

  • Excitement of public feeling by discussion, appeals, etc. 

  • The act of agitating, or the state of being agitated; the state of being disrupted with violence, or with irregular action; commotion. 

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. 

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