Dune and Sandbank

Dune noun - A ridge of sand created by the wind; found in deserts or near lakes and oceans.

Sandbank and dune are semantically related. In some cases you can use "Sandbank" instead a noun "Dune".

Sandbank noun - A submerged bank of sand near a shore or in a river; can be exposed at low tide.

Dune and sandbank are semantically related. You can use "Dune" instead a noun "Sandbank".