misrule (n.)

late 14c., "bad government of a state;" see mis- (1) + rule (n.). Meaning "disorderly conduct or living" is from c. 1400, obsolete except in Lord of Misrule, one chosen to preside over Christmas games in a great house (late 15c.).

late 14c., from mis- (1) + rule (v.). Related: Misruled; misruling.