decamp vs take off

decamp

verb
  • To disappear suddenly and secretly. 

  • To break up camp and move on. 

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 decamp and take off occurred in a corpus of books? (source: Google Ngram Viewer )