duck out vs take a powder

duck out

verb
  • To depart quickly or exit abruptly by way of, especially in a manner which does not attract notice and before a meeting, event, etc. has concluded. 

  • To move or act so as to achieve avoidance, escape, or evasion. 

  • To depart quickly or exit abruptly, especially in a manner which does not attract notice and before a meeting, event, etc. has concluded. 

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 duck out and take a powder occurred in a corpus of books? (source: Google Ngram Viewer )