grow vs turn back

grow

verb
  • To undergo growth; to be present (somewhere) 

  • To appear or sprout. 

  • To become larger, to increase in magnitude. 

  • To develop, to mature. 

  • To cause or allow something to become bigger, especially to cultivate plants. 

  • To assume a condition or quality over time. 

turn back

verb
  • To return to a previous state of being. 

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

  • To reverse direction and retrace one's steps. 

  • To prevent or refuse to allow passage or progress. 

  • To adjust to a previous setting. 

  • To fold something back; to fold down. 

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