The word Tribasic is mainly used in chemistry to describe a substance that contains three acid groups or three basic groups. However, there are some synonyms that can be used to describe the same properties of Tribasic compounds. These synonyms include Trivalent or Triacidic, which both refer to the three chemical groups present in the compound. Another synonym for Tribasic is Triprotic, which indicates that the compound has three ionizable protons. Additionally, the word Tripartite can be used to describe something that is divided into three parts, which can be applied to Tribasic substances due to their three chemical groups. Overall, there are several synonyms that can be used interchangeably with the word Tribasic to describe compounds with three chemical groups.