http://dictionary.cambridge.org/
rebellion = violent action organized by a group of people who are trying to change the political system in their country; action against those in authority or against the rules or against normal and accepted ways of behaving
revolt = If a large number of people revolt, they refuse to be controlled or ruled, and take often violent action against authority
riot = a noisy, violent, and uncontrolled public meeting
disturbance = something that interrupts someone or makes them feel worried; violence or trouble
chaos = a state of total confusion with no order