caliph

As nouns the difference between khedive and caliph

is that khedive is a form of Ottoman Turkish viceroy who ruled Egypt in the late 19th and early 20th centuries while caliph is the political leader of the Muslim world, successor of Muhammad's political authority, not religious or spiritual.

As nouns the difference between rabbi and caliph

is that rabbi is rabbi while caliph is the political leader of the muslim world, successor of muhammad's political authority, not religious or spiritual.

As a noun caliph is

the political leader of the muslim world, successor of muhammad's political authority, not religious or spiritual.