burial chamber vs kist

burial chamber

noun
  • A chamber, often below ground level, used to bury the remains of the dead. 

kist

noun
  • A coffin. 

  • An individual installment of the yearly land revenue. 

  • A chest. 

verb
  • To place in a coffin. 

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