impostor vs pseudo

impostor

noun
  • Someone who attempts to deceive by using an assumed name or identity. 

  • A sprite or animation integrated into a three-dimensional scene, but not based on an actual 3D model. 

  • A term referenced in an unusual grammatical person. 

pseudo

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

  • An intellectually pretentious person; a pseudointellectual. 

  • pseudo-city code 

  • A poseur; one who is fake. 

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

  • Insincere. 

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