mummy vs mummy brown

mummy

noun
  • A substance used in medicine, prepared from mummified flesh. 

  • Any naturally preserved human or animal body. 

  • An embalmed human or animal corpse wrapped in linen bandages for burial, especially as practised by the ancient Egyptians and some Native American tribes. 

  • A reanimated embalmed human corpse, as a stock character in horror films. 

  • mother. 

mummy brown

noun
  • A brown pigment originally prepared from the ground-up remains of Egyptian animal or human mummies mixed with bitumen, etc. 

  • The colour of this pigment, a variable brown intermediate between raw umber and burnt umber. 

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