General terms:
* Floodplain: A flat area of land adjacent to a river or stream that is subject to flooding.
* Wetland: A land area that is saturated with water for at least part of the year, such as a swamp, marsh, or bog.
* Inundated area: A land area that is submerged under water.
* Waterlogged area: A land area that is saturated with water to the point where it becomes waterlogged.
Specific terms:
* Delta: A landform created at the mouth of a river where it enters a larger body of water, often formed by the deposition of sediment.
* Estuary: A partially enclosed coastal body of water where freshwater from a river mixes with saltwater from the sea.
* Lagoon: A shallow body of water separated from a larger body of water by a barrier island or reef.
* Reservoir: A body of water created by damming a river or stream.
* Lake: A large body of water surrounded by land.
The most appropriate term depends on the specific characteristics of the flooded area and the reason for its flooding. For example, a flooded area caused by a storm surge would be called an inundated area, while a permanently flooded area near a river would be called a floodplain.
