quivering vs tremble

quivering

noun

  • A motion by which something quivers or trembles. 

adj

  • shaking, shivering 

tremble

noun

  • A shake, quiver, or vibration. 

verb

  • To shake, quiver, or vibrate. 

  • To fear; to be afraid. 

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