Which of the following is a fear of water?

Hydrophobia

The answer is Hydrophobia. It is the fear of water. People with hydrophobia may experience anxiety, panic attacks, or even physical symptoms such as sweating, nausea, or dizziness when they see or think about water.

The other options are:

• Waterphobia is not a real phobia. It is sometimes used to refer to the fear of water, but it is more accurately called hydrophobia.
• Seaphobia is the fear of the sea. It is a specific phobia of the sea, and it is not the same as hydrophobia.
• Phasmophobia is the fear of ghosts. It is not related to water.