despoil vs foray

despoil

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

  • To plunder; to pillage; take spoil from. 

foray

verb
  • To do or attempt something outside one's typical area of expertise. 

  • To participate in a foray. 

noun
  • A brief excursion or attempt, especially outside one's accustomed sphere. 

  • A sudden or irregular incursion in border warfare; hence, any irregular incursion for war or spoils; a raid. 

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