Which of the following is INCORRECTLY spelled.

Trespaser

The word Trespaser is incorrectly spelled. The correct spelling is trespasser.

Here are the words and their correct spellings:

• Trespasser means a person who enters someone else's property without permission.
• Ulterior means hidden or secret.
• Vaccination means the act of giving someone a vaccine.
• Tributary means a river that flows into a larger river.