Unhewn and Unprocessed

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

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

Unprocessed adjective - Being such as found in nature and not altered by processing or refining.

Unhewn and unprocessed are semantically related. You can use "Unhewn" instead an adjective "Unprocessed".