jigsaw puzzle vs puzzler

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. 

puzzler

noun
  • A person who solves puzzles as a hobby. 

  • A puzzling situation or problem; an enigma. 

  • A video game in which the player is presented with (usually abstract) puzzles to solve. 

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