simulate vs take off

simulate

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

take off

verb
  • To imitate, often in a satirical manner. 

  • To depart. 

  • To absent oneself from (work or other responsibility), especially with permission. 

  • To quantify. 

  • To remove. 

  • To leave the ground and begin flight; to ascend into the air. 

  • To become successful, to flourish. 

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