dreamer vs visionary

dreamer

noun
  • One who dreams. 

  • swallow-wing puffbird (Chelidoptera tenebrosa) 

  • Any anglerfish of the family Oneirodidae. 

  • Someone whose beliefs are far from realistic. 

visionary

noun
  • Someone who has visions; a seer. 

  • Someone who has positive ideas about the future. 

  • An impractical dreamer. 

adj
  • imaginary or illusory 

  • having vision or foresight 

  • idealistic or utopian 

  • prophetic or revelatory 

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