death rattle vs sob

death rattle

noun
  • The raspy or gurgling sound sometimes made by a person while drawing in or expelling their final breaths before dying. 

  • The sound of a batsman’s stumps being broken, so called because this leads to the batsman’s dismissal. 

sob

noun
  • sound of sob 

  • A cry with a short, sudden expulsion of breath. 

verb
  • To soak. 

  • To say (something) while sobbing. 

  • To weep with convulsive gasps. 

How often have the words death rattle and sob occurred in a corpus of books? (source: Google Ngram Viewer )