spank vs tremble

spank

noun
  • A slapping sound, as produced by spanking. 

  • An instance of spanking, separately or part of a multiple blows-beating; a smack, swat, or slap. 

verb
  • To move rapidly. 

  • To beat, smack or slap a person's buttocks, with the bare hand or other object, as punishment, gesture, or form of sexual interaction. 

  • To hit very hard. 

  • To soundly defeat, to trounce. 

tremble

noun
  • A shake, quiver, or vibration. 

verb
  • To shake, quiver, or vibrate. 

  • To fear; to be afraid. 

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