boggle vs joke

boggle

verb
  • To embarrass with difficulties; to palter or equivocate; to bungle or botch. 

  • To be bewildered, dumbfounded, or confused. 

  • Either literally or figuratively to stop or hesitate as if suddenly seeing a bogle. 

  • To confuse or mystify; overwhelm. 

  • To wiggle the eyes as a result of bruxing. 

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. 

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