Unhewn and Unpolished

Unhewn adjective - (of stone especially) not given a finished form by or as if by hewing.

Unpolished and unhewn are semantically related. in crude topic. In some cases you can use "Unpolished" instead an adjective "Unhewn", when it comes to topics like rough, basic.

Unpolished adjective - Lacking in refinement or good taste.

Unhewn and unpolished are semantically related. You can use "Unhewn" instead an adjective "Unpolished".