impostor vs pseud

impostor

noun
  • A term referenced in an unusual grammatical person. 

  • 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. 

pseud

noun
  • An intellectually pretentious person; a poseur. 

  • Pseudomonas bacteria. 

  • A pseudonym. 

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