Uncouth and Untreated

Uncouth adjective - Having or showing crudely insensitive or impolite manners.

Untreated and uncouth are semantically related. In some cases you can use "Untreated" instead an adjective "Uncouth".

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

Uncouth and untreated are semantically related. Sometimes you can use "Uncouth" instead an adjective "Untreated".