Ridge and Sand dune

Ridge noun - The line formed when two sloping surfaces come together along their topmost edge.

Sand dune and ridge are semantically related In some cases you can use "Sand dune" instead a noun "Ridge".

Nearby Words: ridged, ridging, ridgy

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

Ridge and sand dune are semantically related in hill topic. You can use "Ridge" instead a noun phrase "Sand dune".