Greek
935. basileus -- a king ... Cognate: 935 -- a (sovereign); often referring to 
Christ who is "the 
King of 
kings"
 (Rev 19:16), ie 
King over the Kingdom of the heavens (God). 
... /greek/935.htm - 7kTorrey's TopicalTextbook
Revelation 17:14These shall make war with the Lamb, and the Lamb shall overcome them: for he is Lord of lords, and King of kings: and they that are with him are called, and chosen, and faithful.
Torrey's Topical Textbook—AKJV