Wearing away and Whittle away

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

Whittle away is a synonym for wearing away. In some cases you can use "Whittle away" instead a verb "Wearing away".

Whittle away verb - Cut away in small pieces.

Wearing away is a synonym for whittle away. Sometimes you can replace term "Wearing away" with "Whittle away", this phrasal verbs are similar.