authentic vs pseudo

authentic

adj
  • Conforming to reality and therefore worthy of trust, reliance, or belief. 

  • Of the same origin as claimed; genuine. 

  • Having the final as the lowest note of the mode. 

pseudo

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. 

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

  • Insincere. 

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