Synonyms of oligarchy

2 Syllables
coercion, cruelty, fascism
3 Syllables
despotism, tyranny, terrorism, oppression
4 Syllables
domination, autocracy, high-handedness, imperiousness, monocracy, totality, absolutism, severity
5 Syllables
peremptoriness
6 Syllables
unreasonableness, totalitarianism, authoritarianism