counterfeit vs pseudo

counterfeit

adj
  • Assuming the appearance of something; deceitful; hypocritical. 

  • Inauthentic. 

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

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. 

pseudo

adj
  • Other than what is apparent; spurious; sham. 

  • Insincere. 

noun
  • An intellectually pretentious person; a pseudointellectual. 

  • pseudo-city code 

  • A poseur; one who is fake. 

  • A pseudonym; a false name used for online anonymity. 

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