counterfeit vs simulate

counterfeit

noun
  • A non-genuine article; a fake. 

  • One who counterfeits; a counterfeiter. 

verb
  • To falsely produce what appears to be official or valid; to produce a forged copy of. 

  • Of a turn or river card, to invalidate a player's hand by making a better hand on the board. 

adj
  • Inauthentic. 

  • False, especially of money; intended to deceive or carry appearance of being genuine. 

  • Assuming the appearance of something; deceitful; hypocritical. 

simulate

verb
  • To model, replicate, duplicate the behavior, appearance or properties of. 

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