rajah:
(also ‘raja‘; female: ‘rani’; plural: ‘rajahs‘; for the right pronunciation, please click here)

a raja and rani
(in former times) a prince, king or ruler in Indian;
a Malayan or Javanese chieftain or prince;
(often with the spelling ‘raja’ and nothing to do with any royal family) a very powerful politician or businessman who has a lot of influence,

a Rajaput raja — Rana Prathap Singh
During the British rule in India, some rajahs and ranis joined hands with the British but most rajahs rebelled against the British rule.
Historians believe that there are many similarities between King Aurthur of England and Rajah Vikramaditya of India.
Rajahs and Ranis of the East Indies used to live lavishly, visiting foreign counties and spending huge amounts of money on ceremonies and parties.
Late Raja Ram Mohan Roy, a great social reformer Note 2: ‘Raja’, always with a capital ‘R’, is more commonly found in the names of ordinary Indian men who have no ties whatsoever with any royal family. For a news article in which we see this word, always with a capital ‘R’, as a name of a man, please click here.
