beat it vs take off

beat it

verb
  • To leave; to go away. 

  • Used other than figuratively or idiomatically: see beat, it. 

  • To masturbate, usually a man of himself. 

take off

verb
  • 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 imitate, often in a satirical manner. 

  • To become successful, to flourish. 

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