condolences vs endurance

condolences

noun
  • comfort, support, or sympathy offered especially to the family and friends of somebody who has died. 

intj
  • Expressing sympathy to someone, especially after learning of a close death. 

endurance

noun
  • Ability to endure hardship. 

  • The length of time that a ship's rations will supply 

  • The measure of a person's stamina or persistence. 

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