Which of the following is INCORRECTLY spelled.

The word Predecesor is incorrectly spelled. The correct spelling is predecessor.

Here are the words and their correct spellings:

• Antecedent means something that happened before something else.
• Obsolete means no longer in use or no longer fashionable.
• Forefather means an ancestor, especially one who lived a long time ago.
• Predecessor means a person who held a position or office before the current holder.