"Bort" is a relatively uncommon word and its synonyms may not be as widely known. Some synonyms for "bort" include "reject," "refuse," "castoff," "leftover," and "scrap." These words all convey a similar meaning of something that has been discarded or deemed unworthy. In a geological sense, "bort" specifically refers to low-quality diamond fragments and similar synonyms, such as "diamond grit" or "industrial-grade diamond," can be used to describe the same material. While "bort" may not be a commonly used word, the synonyms for it provide a range of options to better convey this concept in everyday language.