ship out vs take a walk

ship out

verb
  • To leave, get out, or resign. 

  • To depart, especially for a sea voyage or military assignment. 

  • To get rid of, expel, or discard. 

  • To send, especially by means of a transport vehicle. 

take a walk

verb
  • To go away, get lost. 

  • To go for a walk. 

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