dreamer vs speculator

dreamer

noun
  • Someone whose beliefs are far from realistic. 

  • One who dreams. 

  • swallow-wing puffbird (Chelidoptera tenebrosa) 

  • Any anglerfish of the family Oneirodidae. 

speculator

noun
  • One who forms theories; a theorist. 

  • One who speculates; an observer; a contemplator. 

  • Synonym of field goal 

  • One who speculates; as in investing, one who is willing to take volatile risks upon invested principal for the potential of substantial returns. 

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