falsify vs simulate

falsify

verb
  • To alter so as to make false; to make incorrect. 

  • To misrepresent. 

  • To prove to be false. 

  • To counterfeit; to forge. 

  • To show (an item of charge inserted in an account) to be wrong. 

simulate

verb
  • To model, replicate, duplicate the behavior, appearance or properties of. 

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