contain vs turn back

contain

verb
  • To put constraints upon; to restrain; to confine; to keep within bounds. 

  • To include as a part. 

  • To hold inside. 

  • To have as an element or subset. 

turn back

verb
  • To prevent or refuse to allow passage or progress. 

  • To cause to reverse direction and retrace one's steps. 

  • To return to a previous state of being. 

  • To reverse direction and retrace one's steps. 

  • To adjust to a previous setting. 

  • To fold something back; to fold down. 

How often have the words contain and turn back occurred in a corpus of books? (source: Google Ngram Viewer )