Which of the following is INCORRECTLY spelled.

The word explotion is incorrectly spelled. The correct spelling is Exploitation. It involves being groomed, forced or coerced into doing something that you don't want to do for someone else's gain.

Here are the words and their correct spellings:

• Eruption means a sudden, violent outburst.
• Illustrious means famous or well-known.
• Gigantic means very large or great.