Synonyms of sovereign

1 Syllable
top, fab, king, shah, royal, chief, lord, khans, earl, rex, khan, royals
2 Syllables
empress, regnant, fabber, topmost, monarch, stater, topper, sultans, gerent, ruler, caliph, viscount, loftiest, lofty, prince, reigning, pharaoh, reges, sultan, seigneurs, guiding, emeer, crowning, highest, regal, seigneur, ruling, rulers, dynast, marquis, rajah, rani, ranee
3 Syllables
monarchal, monarchial, imperial, principals, paramount, powerful, effectual, majestic, extremest, national, emperors, mikado, prevalent, principal, empresses, federal, princely, ascendant, oligarch, commanding, supreme, extremer, princelier, emperor, dominant, directing, mainline, unaided, freewheeling, self-ruling, unallied, excellent, tyrannous
4 Syllables
nationwide, unlimited, self-governed, autonomous, pre-eminent, unequalled, unmatchable, unrivalled, monocratic, non-partisan, maharani, potentate, monarchical, maharajah, separate, interstate, departmental, overweighing, high-and-mighty, overbearing, unenslaved, preponderant, governmental, predominant, absolutist, second-to-none, absolute, efficacious, regality, non-aligned, countrywide, inter-state, independent, self-contained, self-governing, self-supporting, imperator
5 Syllables
super-eminent, overbalancing, predominate, incomparable, supereminent, self-determining, unregimented