shakeout vs tremble

shakeout

noun
  • The shaking of an object to spread it wide and eject any debris. 

  • An event that causes marginal constituents to be eliminated. 

  • The separation of molds from their flask, the castings from the molding sand, and potentially the cores from the castings. 

tremble

noun
  • A shake, quiver, or vibration. 

verb
  • To shake, quiver, or vibrate. 

  • To fear; to be afraid. 

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