Wear on and Wearing away

Wear on verb - Pass slowly (of time).

Wearing away and wear on are semantically related. In some cases you can replace term "Wearing away" with "Wear on", this phrasal verbs are similar.

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

Wear on and wearing away are semantically related. Sometimes you can use "Wear on" instead a verb "Wearing away".