dame vs grand dukedom

dame

noun
  • A queen. 

  • Usually capitalized as Dame: a title equivalent to Sir for a female knight. 

  • In traditional pantomime: a melodramatic female often played by a man in drag. 

  • A matron at a school, especially Eton College. 

verb
  • To make a dame. 

grand dukedom

noun
  • The title of grand duke or grand duchess, with its pertaining privileges and obligations; contrast grand duchy. 

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