bloodshed vs cruor

bloodshed

noun
  • The shedding or spilling of blood. 

  • A slaughter; destruction of life, notably on a large scale. 

cruor

noun
  • The clotted portion of coagulated blood, containing the colouring matter; gore. 

  • The colouring matter of the blood. 

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