Select the INCORRECTLY spelt word.

The incorrectly spelled word in the given options is "Corresspond."

The correct spelling is "Correspond," which means to communicate or exchange information with someone.

The other options, "Colleague," "Committee," and "Commission," are spelled correctly and have the following meanings:

• Colleague: A person with whom one works, typically in a profession or business.
• Committee: A group of people appointed or elected to perform a specific function or task.
• Commission: A formal authorization or instruction to carry out a particular task or duty.