counterfactual vs utopian

counterfactual

adj
  • Of or in comparison to a hypothetical state of the world. 

  • Contrary to known or agreed facts; untrue. 

noun
  • A conditional statement in which the conditional clause is false. 

  • A claim, hypothesis, or other belief that is contrary to the facts. 

  • A hypothetical state of the world, used to assess the impact of an action. 

utopian

adj
  • Of or pertaining to or resembling a utopia. 

  • Ideal but often impractical; visionary. 

noun
  • Someone who supports or heralds the establishment of a utopia. 

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