joke vs mousetrap

joke

verb
  • To dupe in a friendly manner for amusement; to mess with, play with. 

  • To do or say something for amusement rather than seriously. 

noun
  • An amusing story. 

  • The root cause or main issue, especially an unexpected one 

  • A laughably worthless thing or person; a sham. 

  • Something that is far easier or far less challenging than expected. 

  • Something said or done for amusement, not in seriousness. 

mousetrap

verb
  • To trap; to trick or fool (someone) into a bad situation. 

  • To prevent (the user) from leaving a website by opening another copy when it is closed. 

noun
  • A website designed to open another copy of itself when the user tries to close the webpage. Frequently used by advertisers and pornographers. 

  • A slice of bread or toast topped with cheese and then grilled or microwaved. 

  • An antisubmarine rocket used mainly during World War II by the US Navy and US Coast Guard. 

  • A device for capturing or killing mice and other rodents. 

  • Ordinary, everyday cheese. 

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