dissonance vs dyscrasia

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. 

dyscrasia

noun
  • Imbalance of the four bodily humors (blood, black and yellow bile, phlegm) that was thought to cause disease. 

  • Any bodily disorder, especially regarding the blood. 

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