Correct Answer: Neccessary

Solution : The correct solution is the second option.

Explanation : The incorrectly spelt word is necessary which should be spelt as necessary . The correct spelling follows the standard English spelling rules and, where necessary is spelled with only one c. The incorrect spelling with the double "c" violates the conventional spelling pattern and is an error.

The correct form of the word refers to something essential or required and follows the standard spelling conventions.

Therefore, the correct spelling of the word is necessary.