known vs pseudo

known

adj
  • Accepted, familiar, researched. 

  • Identified as a specific type; famous, renowned. 

noun
  • Any fact or situation which is known or familiar. 

  • A constant or variable the value of which is already determined. 

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 known and pseudo occurred in a corpus of books? (source: Google Ngram Viewer )