There are many synonyms for the phrase "corps diplomatiques" which refers to the group of diplomats representing a particular country. Some possible synonyms include embassy staff, diplomatic corps, diplomatic personnel, foreign service, and diplomatic mission. Other related terms might include ambassadorial staff, consular staff, diplomatic delegation, or foreign envoy. These terms all generally refer to the personnel involved in official diplomatic activities, such as negotiating treaties, representing their countries at international meetings, and performing other diplomatic functions. Depending on the context, different synonyms may be more appropriate, but all generally refer to the same basic concept of diplomatic personnel representing a particular country or government.