jebel vs puy

jebel

noun
  • A hill, a mountain (especially in the Middle East or North Africa). 

puy

noun
  • Any of several cone-shaped hills in the Auvergne, France that are the remains of extinct volcanos 

  • Any similar conical structure of volcanic material 

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