feign vs four-flush

feign

verb
  • To make a false show or pretence of; to counterfeit or simulate. 

  • To hide or conceal. 

  • To make an action as if doing one thing, but actually doing another, for example to trick an opponent; to feint. 

  • To imagine; to invent; to pretend to do something. 

four-flush

verb
  • To bluff. 

  • To attempt to pass off a four-flush as a flush. 

noun
  • Four cards of the same suit. 

How often have the words feign and four-flush occurred in a corpus of books? (source: Google Ngram Viewer )