daunt vs tremble

daunt

verb

  • To discourage, intimidate. 

  • To overwhelm. 

tremble

verb

  • To fear; to be afraid. 

  • To shake, quiver, or vibrate. 

noun

  • A shake, quiver, or vibration. 

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