shy vs tremble

shy

verb
  • To jump back in fear. 

  • To avoid due to caution, embarrassment or timidness. 

  • (transitive) or (intransitive) To throw a ball with two hands above the head, especially when it has crossed the side lines in a football (soccer) match. To hit the ball back into play from the sidelines in a shinty match. 

  • To throw sideways with a jerk; to fling. 

adj
  • Easily frightened; timid. 

  • Embarrassed. 

  • Cautious; wary; suspicious. 

  • Reserved; disinclined to familiar approach. 

  • Short, insufficient or less than. 

noun
  • In the Eton College wall game, a point scored by lifting the ball against the wall in the calx. 

  • In soccer, a throw-in from the sidelines, using two hands above the head. In shinty, the act of tossing the ball above the head and hitting it with the shaft of the caman to bring it back into play after it has been hit out of the field. 

  • An act of throwing. 

  • A place for throwing. 

  • A sudden start aside, as by a horse. 

tremble

verb
  • To fear; to be afraid. 

  • To shake, quiver, or vibrate. 

noun
  • A shake, quiver, or vibration. 

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