dervish vs fakir

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. 

fakir

noun
  • Someone who takes advantage of the gullible through fakery, especially of a spiritual or religious nature. 

  • An ascetic mendicant, especially one who performs feats of endurance or apparent magic. 

  • A faqir, owning no personal property and usually living solely off alms. 

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