catafalque vs cist

catafalque

noun
  • A platform used to display or convey a coffin during a funeral, often ornate. 

cist

noun
  • A crypt cut into rock, chalk, or a tree trunk, especially a coffin formed by placing stone slabs on edge and topping them with a horizontal slab or slabs. 

  • A small receptacle for sacred utensils carried in festivals in Ancient Greece. 

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