duck out vs skedaddle

duck out

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

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

skedaddle

verb
  • To move or run away quickly. 

  • To spill; to scatter. 

noun
  • The act of running away; a scurrying off. 

How often have the words duck out and skedaddle occurred in a corpus of books? (source: Google Ngram Viewer )