Correct Answer: Remission

Solution : The correct answer is the fourth option.

The incorrectly spelt word is remmission. The correct spelling should be remission. It means a temporary or permanent decrease or relief of the symptoms of a disease.

The meanings of the other options are as follows:

Arrangement: An arrangement is the act or process of organising or putting things in a particular order or structure. It is correctly spelt.

Jeopardise: Jeopardise is a verb that means to put something at risk or in danger. It is correctly spelt.

Corruption: Corruption refers to unethical behaviour involving the misuse of power or authority for personal gain. It is correctly spelt.