doublecross vs dupe

doublecross

noun
  • An instance of betrayal of one who has been led to believe that the betrayer was assisting them. 

  • The hybrid product of double-crossing. 

verb
  • To betray someone by leading them into a trap after having gained their trust and led them to believe that they were actually being aided. 

dupe

noun
  • A person who has been deceived. 

  • A duplicate of an order receipt printed for kitchen staff. 

  • A duplicate of a photographic image. 

  • A duplicate. 

  • A counterfeit; a fake. 

verb
  • To duplicate. 

  • To swindle, deceive, or trick. 

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