rue vs satisfaction

rue

verb
  • To repent of or regret (some past action or event); to wish that a past action or event had not taken place. 

noun
  • Any of various perennial shrubs of the genus Ruta, especially the herb Ruta graveolens (common rue), formerly used in medicines. 

satisfaction

noun
  • A reparation for an injury or loss. 

  • A fulfilment of a need or desire. 

  • The pleasure obtained by such fulfillment. 

  • A vindication for a wrong suffered. 

  • The source of such gratification. 

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