delude vs four-flush

delude

verb
  • To deceive into believing something which is false; to lead into error; to dupe. 

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 delude and four-flush occurred in a corpus of books? (source: Google Ngram Viewer )