hat trick vs triplicate

hat trick

noun
  • Three achievements in a single game, or similar, such as three consecutive wins. 

  • Striking out three times in one game. 

  • Three wickets taken by a bowler in three consecutive balls. 

  • Three incidents or achievements that occur together. 

  • A means of securing a seat in the House of Commons by placing one's hat upon it. 

  • Three goals scored by one player in a game, in ice hockey usually followed by fans throwing their hats onto the rink. 

  • Any magic trick performed with a hat. 

triplicate

noun
  • Each of a set of three identical objects or copies. 

  • The making of three identical copies of something. 

verb
  • To triple. 

  • To make three identical copies of something. 

adj
  • Made thrice as much; threefold; tripled. 

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