endurance vs toleration

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. 

toleration

noun
  • The allowance of something not explicitly approved; tolerance, forbearance. 

  • Specifically, the allowance by a government (or other ruling power) of the exercise of religion beyond the state established faith. 

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