inclination vs tremble

inclination

noun
  • A physical tilt or bend. 

  • A tendency. 

  • The angle of intersection of a reference plane 

  • A slant or slope. 

tremble

noun
  • A shake, quiver, or vibration. 

verb
  • To shake, quiver, or vibrate. 

  • To fear; to be afraid. 

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