Grim Reaper vs Santa Muerte

Grim Reaper

name
  • A personification of Death as an old man, or a skeleton, carrying a scythe, taking souls to the afterlife. 

Santa Muerte

name
  • A female folk saint venerated primarily in Mexico and among Mexican-Americans in the United States. A personification of death, also associated with healing, protection, and safe delivery to the afterlife. 

How often have the words Grim Reaper and Santa Muerte occurred in a corpus of books? (source: Google Ngram Viewer )