dervish vs hermit

dervish

noun
  • Any irregular guerrilla fighter resembling the Sudanese Mahdi in equipment, uniform, tactics, etc. 

  • A citizen or inhabitant of Darawiish (circa 1895–1920 C.E.), an anti-colonial polity in modern Somalia headed by Sufis. 

  • One of the followers of Muhammad Ahmad, the Mahdi of the Sudan, in the 1880s. 

hermit

noun
  • A religious recluse; someone who lives alone for religious reasons; an eremite. 

  • A spiced cookie made with molasses, raisins, and nuts. 

  • A recluse; someone who lives alone and shuns human companionship. 

  • A hermit crab. 

  • Any in the subfamily Phaethornithinae of hummingbirds. 

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