Ms vs mademoiselle

Ms

noun
  • Title used before an adult woman's name or surname, especially when it is not desired or possible to indicate her marital status with Miss or Mrs. 

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 Ms and mademoiselle occurred in a corpus of books? (source: Google Ngram Viewer )