bludgeon vs sjambok

bludgeon

verb
  • To strike or hit with something hard, usually on the head; to club. 

  • To coerce someone, as if with a bludgeon. 

noun
  • A short, heavy club, often of wood, which is thicker or loaded at one end. 

sjambok

verb
  • To whip with a sjambok; to horsewhip. 

noun
  • A stout whip, especially made of rhinoceros or hippopotamus hide. 

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