Don Quixote vs romancer

Don Quixote

noun
  • Any person or character who displays quixotism. 

name
  • A famous 1605–1615 Spanish novel by Miguel de Cervantes (1547–1616), whose full title is El ingenioso hidalgo don Quijote de la Mancha (The Ingenious Gentleman Don Quixote of La Mancha). 

  • The protagonist of this novel. 

romancer

noun
  • A romantic film or television show. 

  • One who romances another; one who attempt to win another's affections via romance. 

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