bludgeon vs spontoon

bludgeon

verb
  • To coerce someone, as if with a bludgeon. 

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

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

spontoon

noun
  • A pointed weapon similar to a pike. 

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