jester vs survivor

jester

noun
  • One who jests, jokes or teases. 

  • A person in colourful garb and fool's cap who amused a medieval and early modern royal or noble court. 

  • Any of various nymphalid butterflies of the Southeast Asian genus Symbrenthia. 

survivor

noun
  • One who knew a specific decedent. 

  • A person who is able to endure hardship. 

  • One who survives, especially one who survives a traumatic experience. 

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