In order to avoid repetition in your writing, it's important to have a range of synonyms to use for the term "business studies." Some common synonyms include commerce, entrepreneurship, corporate education, management science, administration, and organizational studies. These terms all refer to the study of business practices, management strategies, and economic principles. Depending on the context, you may want to use one of these synonyms instead of the phrase "business studies" in order to add variety to your writing. Using a range of synonyms will also show your mastery of the subject matter and help you communicate your ideas more effectively.