There are several synonyms for the term "security studies" that can help to enhance our understanding of the subject. One of the most commonly used synonyms is "international security," which refers to the study of the security of nations in the context of global relations. Another synonym is "national security," which specifically focuses on the security of a particular country and its citizens. "Defense studies" is also a synonym used to refer to the study of the military defense of a country. Finally, "strategic studies" is a synonym for the study of the strategies and tactics used to achieve national or international security goals. These interchangeable terms provide us with a broader scope to understand security studies.