intrigue vs jigsaw puzzle

intrigue

noun
  • A complicated or clandestine plot or scheme intended to effect some purpose by secret artifice; conspiracy; stratagem. 

  • The plot of a play, poem or romance; the series of complications in which a writer involves their imaginary characters. 

  • Clandestine intercourse between persons; illicit intimacy; a liaison or affair. 

verb
  • To have clandestine or illicit intercourse. 

  • To conceive or carry out a secret plan intended to harm; to form a plot or scheme. 

  • To fill with artifice and duplicity; to complicate. 

  • To arouse the interest of; to fascinate. 

jigsaw puzzle

noun
  • A type of puzzle in which the aim is to reconstruct a picture that has been cut (originally, with a jigsaw) into many small interlocking pieces. 

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