cat's-foot vs rube

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). 

rube

noun
  • An uninformed, unsophisticated, or unintelligent person. 

  • A person of rural heritage; a yokel. 

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