Walter Mitty vs visionary

Walter Mitty

noun
  • An imposter, especially one falsely claiming to have done military service. 

  • A sad or pathetic person given to flights of fancy; a daydreamer. 

visionary

noun
  • Someone who has positive ideas about the future. 

  • An impractical dreamer. 

  • Someone who has visions; a seer. 

adj
  • imaginary or illusory 

  • having vision or foresight 

  • idealistic or utopian 

  • prophetic or revelatory 

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