factualism vs verisimilitude

factualism

noun
  • A form of evaluation that emphasizes the usage of facts, falsifiability, logic and reason. 

verisimilitude

noun
  • The property of seeming true, of resembling reality; resemblance to reality, realism. 

  • A statement which merely appears to be true. 

  • Faithfulness to its own rules; internal cohesion. 

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