carcass vs cast iron

carcass

noun
  • An early incendiary ship-to-ship projectile consisting of an iron shell filled with saltpetre, sulphur, resin, turpentine, antimony and tallow with vents for flame. 

  • The body of a slaughtered animal, stripped of unwanted viscera, etc. 

  • The framework of a structure, especially one not normally seen. 

  • The body of a dead human, a corpse. 

  • The body of a dead animal. 

cast iron

noun
  • A hard and brittle, but strong, alloy of iron, carbon, and silicon, formed by casting in a mould. 

adj
  • Inflexible or without exception. 

  • Made of cast iron. 

  • Durable; tough; resilient. 

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