Select the INCORRECTLY spelt word.

The incorrectly spelt word in the given options is "Anouncement." The correct spelling is "Announcement."

Here are the correct spellings and definitions of the words:

• Announcement: A public or formal statement about something.
• Eligibility: The state or quality of being eligible or qualified for something.
• Committee: A group of people appointed or elected to perform a specific function or task.
• Calculation: The process or act of determining something by mathematical or logical methods.