guilt vs rue

guilt

verb
  • To cause someone to feel guilt, particularly in order to influence their behaviour. 

noun
  • The regret of having done wrong. 

  • Responsibility for wrongdoing. 

  • The state of having been found guilty or admitted guilt in legal proceedings. 

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. 

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