perish vs putrefy

perish

verb
  • To decay in such a way that it cannot be used for its original purpose 

  • To die; to cease to live. 

  • To decay and disappear; to waste away to nothing. 

putrefy

verb
  • To reach an advanced stage of decomposition. 

  • To make morbid, carious, or gangrenous. 

  • To corrupt; to make foul. 

  • To become filled with a pus-like or bile-like substance. 

  • To become gangrenous. 

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