dispassionate vs fiery

dispassionate

adj
  • not showing, and not affected by, emotion, bias, or prejudice 

fiery

adj
  • Spirited or filled with emotion. 

  • Of or relating to fire. 

  • Inflammable or easily ignited. 

  • Burning or glowing. 

  • Tempestuous or emotionally volatile. 

  • Hot or inflamed. 

  • Having the colour of fire. 

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