cruor vs grume

cruor

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

  • The colouring matter of the blood. 

grume

noun
  • A clot (of blood) 

  • A thick semisolid 

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