duck out vs go away

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. 

go away

verb
  • To vanish or disappear. 

  • To depart or leave a place. 

  • To travel somewhere, especially on holiday or vacation. 

intj
  • A command encouraging someone to leave. 

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