There are two examples of flood Plain which are as follows:Active Flood Plain.Old Flood Plain.
The flood plain
The flood plain. Delta
I live in a flood plain, along with many others.
there is 896 square kms of flood plain
arima plain
flood plain
Flood plane is geographically correct. This means, an area that does not have an undulating surface that is fairly level, or without elevation. Plane is attributed to flat surface where water percolates, while plain could be used for being straight forward in terms of attitude or openness in mind. Another Answer: For normal use, it is: FLOOD PLAIN. Here is an example sentence: Even if a home is not in a flood plain, it is a good idea for a homeowner to purchase inexpensive flood insurance.
York is situated on a flood plain
Move out of the flood plain.
a canyon, gorge or vale
It is a flood plain.