The term "bruting" is used to describe the process of shaping a diamond by grinding it against another diamond. When looking for synonyms for bruting, the word "cutting" comes to mind, as it is also a term used in diamond manufacturing. Other synonyms for bruting include "faceting," which refers to the process of creating the diamond's many facets, and "polishing," which is the smoothing and shining of the diamond's surface. Another possible synonym is "lapidary," which is a more broad term used to describe the cutting and polishing of stones. In any case, the process of bruting is a crucial step in creating a beautifully cut diamond.