Havoc (noun) تباہی، خرابی، ہنگامہ

widespread destruction.
Example: “the hurricane ripped through Florida causing havoc”
Contingency (noun) ممکنہ نتیجہ، حادثاتی واقعہ

a future event or circumstance which is possible but cannot be predicted with certainty.
Example: “a detailed contract which attempts to provide for all possible contingencies”