rex (noun) ruler: historically, person who ruled an area
Sinonime: baron, baroness, caesar, caliph, contessa,
count, countess, crowned head, czar, czarina, dame, duchess, duke, dynast, emperor, empress, gerent, imperator, kaiser, khan,
king,
lady,
lord, magnate, maharajah, maharani,
majesty, mikado,
mogul,
monarch, oligarch, overlord, pasha, potentate,
prince, princess,
queen, rajah, rani, rex,
royal, shah,
sovereign, sultan, sultana, tycoon
Antonime: commoner,
subject