hang up one's boots vs turn in

hang up one's boots

verb
  • retire, call it a day 

turn in

verb
  • To go to bed; to retire to bed. 

  • To convert a goal using a turning motion of the body. 

  • To relinquish; give up; to tell on someone to the authorities (especially to turn someone in). 

  • To submit something; to give. 

  • To reverse the ends of threads and insert them back into the piece being woven so they do not protrude and eventually unravel. 

How often have the words hang up one's boots and turn in occurred in a corpus of books? (source: Google Ngram Viewer )