catacomb vs coffin

catacomb

noun
  • An underground system of tunnels and chambers with recesses for graves, used (in former times) as a cemetery; a tunnel system used for burying the dead, as in Paris or Ancient Rome. 

coffin

noun
  • A rectangular closed box in which the body of a dead person is placed for burial. 

  • A storage container for nuclear waste. 

  • The eighth Lenormand card. 

  • The hollow crust or hoof of a horse's foot, below the coronet, in which is the coffin bone. 

verb
  • To place in a coffin. 

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