make-believe vs pseudo

make-believe

noun
  • The quality or act of pretending; acting as if something is true when in fact one knows it is not. 

  • The action of pretending or imagining that things are better than they really are. 

pseudo

noun
  • A poseur; one who is fake. 

  • An intellectually pretentious person; a pseudointellectual. 

  • pseudo-city code 

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

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

  • Insincere. 

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