counterfeit vs exemplify

counterfeit

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. 

noun
  • A non-genuine article; a fake. 

  • One who counterfeits; a counterfeiter. 

adj
  • Inauthentic. 

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

  • Assuming the appearance of something; deceitful; hypocritical. 

exemplify

verb
  • To prove by such an attested copy or transcript. 

  • To be an instance of or serve as an example. 

  • To make an attested copy or transcript of (a document) under seal. 

  • To show or illustrate by example. 

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