Backflow and Wearing away

Backflow noun - A flow that returns toward its source.

Wearing away and backflow are semantically related. In some cases you can use "Wearing away" instead a noun "Backflow".

Wearing away noun - Geology) the mechanical process of wearing or grinding something down (as by particles washing over it.

Backflow and wearing away are semantically related. Sometimes you can use "Backflow" instead a noun "Wearing away".