dervish vs fakeer

dervish and fakeer both are nouns.

Word	Noun	Adjective	Verb	Adverb
dervish	Yes	No	No	No
fakeer	Yes	No	No	No

As nouns, fakeer is a hypernym of dervish; that is, fakeer is a word with a broader meaning than dervish:

dervish: an ascetic Muslim monk; a member of an order noted for devotional exercises involving bodily movements
fakeer: a Muslim or Hindu mendicant monk who is regarded as a holy man

Other hypernyms of dervish include fakir, faqir, faquir.

dervish (noun)	fakeer (noun)
an ascetic Muslim monk; a member of an order noted for devotional exercises involving bodily movements	a Muslim or Hindu mendicant monk who is regarded as a holy man