slapstick vs tremble

slapstick

noun
  • A pair of sticks attached at one end and used to create a slapping sound effect, used especially in slapstick comedy; a type of clapper. 

  • A style of humor focusing on physical comedy, such as slipping on a banana peel, and with foolish characters who get into humiliating situations. 

tremble

noun
  • A shake, quiver, or vibration. 

verb
  • To shake, quiver, or vibrate. 

  • To fear; to be afraid. 

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