crown princess vs dame

crown princess

noun
  • The wife of a crown prince. 

  • The heiress apparent to the throne in a royal or imperial monarchy. 

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. 

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