stoicism vs terror

stoicism

noun
  • 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. 

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

terror

noun
  • The action or quality of causing dread; terribleness, especially such qualities in narrative fiction. 

  • Intense dread, fright, or fear. 

  • A night terror. 

  • Terrorism. 

  • Something or someone that causes such fear. 

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