Prentice and Roughhewn

Prentice noun - Someone who works for an expert to learn a trade.

Roughhewn and prentice are semantically related In some cases you can use "Roughhewn" instead an adjective "Prentice".

Roughhewn adjective - Of stone or timber; shaped roughly without finishing.

Prentice and roughhewn are semantically related in crude topic. Sometimes you can use "Prentice" instead an adjective "Roughhewn", if it concerns topics such as unrefined.