peg out vs shuffle off this mortal coil

peg out

verb
  • To die. 

  • To mark (a territory or area) with pegs. 

  • To hang up (washing) using pegs. 

  • To finish a game of croquet. 

  • To move one's peg to the last position on the pegboard, and thus win. 

shuffle off this mortal coil

verb
  • To die; to divest oneself of one's mortal body. 

How often have the words peg out and shuffle off this mortal coil occurred in a corpus of books? (source: Google Ngram Viewer )