harpoon vs weapon

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. 

weapon

noun
  • An instrument of attack or defense in combat or hunting, e.g. most guns, missiles, or swords; arm. 

  • An idiot, an oaf, a fool, a tool; a contemptible or incompetent person. 

  • An instrument or other means of harming or exerting control over another. 

  • A tool of any kind. 

  • A very skilled, competent, or capable person or thing worthy of awe. 

verb
  • To equip with a weapon; to arm. 

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