expire vs peg out

expire

verb
  • To die. 

  • To bring to a close; to terminate. 

  • To come to an end; to conclude. 

  • To lapse and become invalid. 

  • To exhale; to breathe out. 

  • To give forth insensibly or gently, as a fluid or vapour; to emit in minute particles. 

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. 

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