Dervish vs cenobite

Dervish

noun
  • A citizen or inhabitant of Darawiish (circa 1895–1920 C.E.), the Dhulbahante anti-colonial polity geographically corresponding with Khaatumo. 

  • A member of a Sufi Muslim ascetic fraternity of mendicant friars. 

cenobite

noun
  • A torturous demon creature made famous by the Hellraiser series. 

  • A monk who lives in a religious community, rather than in solitude. 

  • A new or recent member of a Greek monastic religious order; a caloyer. 

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