counterfeit vs shirk

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. 

adj
  • Inauthentic. 

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

  • Assuming the appearance of something; deceitful; hypocritical. 

noun
  • A non-genuine article; a fake. 

  • One who counterfeits; a counterfeiter. 

shirk

verb
  • To procure by petty fraud and trickery; to obtain by mean solicitation. 

  • To avoid, especially a duty, responsibility, etc.; to stay away from. 

  • To evade an obligation; to avoid the performance of duty, as by running away. 

noun
  • One who shirks, who avoids a duty or responsibility. 

  • The unforgivable sin of idolatry. 

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