cist vs sarcophagus

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. 

sarcophagus

noun
  • A stone coffin, often with its exterior inscribed, or decorated with sculpture. 

  • A kind of limestone used by the Ancient Greeks for coffins, so called because it was thought to consume the flesh of corpses. 

  • A type of wine cooler (“a piece of equipment used to keep wine chilled”) shaped like a sarcophagus (sense 1). 

  • The cement and steel structure that encases the destroyed nuclear reactor at the Chernobyl Nuclear Power Plant in Chernobyl, Ukraine. 

verb
  • To enclose (a corpse, etc.) in a sarcophagus (noun sense 1). 

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