Catalactics is a specialized term that refers to the study of exchange and bartering. Although it may not have a wealth of synonyms that are commonly used, some phrases or words could be employed alternatively. For instance, one could use terms like commercial theory, market analysis, and economic exchange to convey the same meaning. Conceptual equivalents of catalactics include commerce, trade, transactions, and bargaining. In summary, while catalactics may not have many synonyms, language users may explore other similar expressions to emphasize their points, depending on the specific context of their communication.