The term 'Asian Prince' can be broken down into two crossword solutions: KHAN (4 letters) and Rajah (5 letters). KHAN is a title of Mongolian and Turkish origin, historically used by rulers of Central Asian and Middle Eastern empires. It is also used as a surname in many parts of the world. Rajah is an Indian title for a monarch or princely ruler, usually hereditary. It is also used as a surname in India and other parts of South Asia.