Dame vs mademoiselle

Dame

noun
  • The titular prefix given to a female knight 

mademoiselle

noun
  • Courtesy title for an unmarried woman in France or a French-speaking country. 

  • A young woman or girl, especially one who is French or French-speaking. 

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