bravery vs terror

bravery

noun
  • Being brave, courageousness. 

  • A brave act. 

  • Splendor, magnificence. 

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 bravery and terror occurred in a corpus of books? (source: Google Ngram Viewer )