hat trick vs tern

hat trick

noun
  • Three incidents or achievements that occur together. 

  • 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. 

  • 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. 

tern

noun
  • A thing with three components; a set of three things. 

  • Any of various seabirds of the subfamily Sternidae (of the family Laridae) that are similar to gulls but are smaller and have a forked tail. 

adj
  • Consisting of three components; ternate, threefold, triple. 

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