body bag vs hearse

body bag

noun
  • A non-porous bag designed to contain a human body, used for the storage and transport of corpses. 

hearse

noun
  • A carriage or vehicle specially adapted or used for transporting a dead person to the place of funeral or to the grave. 

  • A bier or handbarrow for conveying the dead to the grave. 

  • A framework of wood or metal placed over the coffin or tomb of a deceased person, and covered with a pall; also, a temporary canopy bearing wax lights and set up in a church, under which the coffin was placed during the funeral ceremonies. 

  • A hind (female deer) in the second year of her age. 

  • A grave, coffin, tomb, or sepulchral monument. 

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