cat's-foot vs dupe

cat's-foot

noun
  • Synonym of cat's-paw: a foot of a cat; (figurative, obsolete) a person used unwittingly or through trickery by another. 

  • Synonym of mountain cudweed (Antennaria dioica). 

  • Synonym of ground ivy (Glechoma hederacea). 

dupe

noun
  • A counterfeit; a fake. 

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

  • A duplicate of a photographic image. 

  • A person who has been deceived. 

  • A duplicate. 

verb
  • To duplicate. 

  • To swindle, deceive, or trick. 

How often have the words cat's-foot and dupe occurred in a corpus of books? (source: Google Ngram Viewer )