cudgel vs harpoon

cudgel

noun
  • A short heavy club with a rounded head used as a weapon. 

  • Anything that can be used as a threat to force one's will on another. 

verb
  • To strike with a cudgel. 

  • To exercise (one's wits or brains). 

harpoon

noun
  • A spearlike weapon with a barbed head used in hunting whales and large fish. 

  • A harmonica. 

verb
  • To shoot something with a harpoon. 

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