decompose vs putrefy

decompose

verb
  • To separate or break down (something) into its components; to disintegrate or fragment. 

  • To rot, decay or putrefy. 

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 decompose and putrefy occurred in a corpus of books? (source: Google Ngram Viewer )