puzzle vs reveal

puzzle

verb
  • To think long and carefully, in bewilderment. 

  • To perplex, confuse, or mystify; to cause (someone) to be faced with a mystery, without answers or an explanation. 

  • To make intricate; to entangle. 

noun
  • Anything that is difficult to understand or make sense of. 

  • A riddle. 

  • The state of being puzzled; perplexity. 

  • A game for one or more people that is more or less difficult to work out or complete. 

  • A jigsaw puzzle. 

  • A crossword puzzle. 

reveal

noun
  • The outer side of a window or door frame. 

  • A revelation; an uncovering of what was hidden in the scene or story. 

verb
  • To communicate that which could not be known or discovered without divine or supernatural instruction. 

  • To uncover; to show and display that which was hidden. 

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