Synonyms of tyranny

2 Syllables
coercion, harshness, czarism, cruelty, fascism, nazism
3 Syllables
despotism, terrorism, oppression, autarchy
4 Syllables
domination, autocracy, dictatorship, dominations, high-handedness, imperiousness, monocracy, autocracies, totality, oligarchy, absolutism, severity
5 Syllables
peremptoriness
6 Syllables
unreasonableness, totalitarianism, authoritarianism