Unhewn and Uncultivated

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

Uncultivated and unhewn are semantically related. in crude topic. In some cases you can use "Uncultivated" instead an adjective "Unhewn".

Uncultivated adjective - Existing without human habitation or cultivation.

Unhewn and uncultivated are semantically related. You can use "Unhewn" instead an adjective "Uncultivated".