break free vs take a powder

break free

verb
  • To liberate oneself; to free oneself; to become free (from or of something or someone). 

take a powder

verb
  • To leave without saying goodbye; leave quietly, run away; scram; depart without taking leave or notifying anyone, often with a connotation of avoiding something unpleasant or shirking responsibility. 

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