despoil vs prey

despoil

verb
  • To violently strip (someone), with indirect object of their possessions etc.; to rob. 

  • To plunder; to pillage; take spoil from. 

prey

verb
  • To act as a predator. 

noun
  • That which is or may be seized by animals or birds to be devoured 

  • A person or thing given up as a victim. 

  • A living thing that is eaten by another living thing. 

  • The victim of a disease. 

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