chapel of rest vs soulscot

chapel of rest

noun
  • An undertaker's room where the body of the deceased is kept prior to burial or disposal. 

soulscot

noun
  • A funeral payment, formerly made at the grave, usually to the parish priest in whose church service for the departed had been said; a mortuary. 

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