stoicism vs warmth

stoicism

noun
  • A real or pretended indifference to pleasure or pain; insensibility; impassiveness. 

  • A school of philosophy popularized during the Roman Empire that emphasized reason as a means of understanding the natural state of things, or logos, and as a means of freeing oneself from emotional distress. 

warmth

noun
  • Fervor, intensity of emotion or expression. 

  • Friendliness, kindness or affection. 

  • A moderate degree of heat; the sensation of being warm. 

  • The effect of using mostly red and yellow hues. 

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