chrisom vs winding sheet

chrisom

noun
  • A white cloth, anointed with chrism, or a white mantle thrown over a child when baptized or christened. 

winding sheet

noun
  • A burial shroud. 

  • A collection of tallow rising up against the wick of a candle, once regarded as an omen of death. 

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