When referring to the West African nation, there are few synonyms for the Republic of Benin. It was originally named Dahomey until it gained independence from France in 1960. Therefore, some may refer to the country as "Dahomey" rather than the "Republic of Benin." Additionally, some may use the French translation of Benin, which is "Republique du Benin." It's important to note that changing the name of a nation can have political and cultural implications, which is something to consider when using synonyms for a country's name. Overall, "Benin" and "Dahomey" are the most commonly recognized synonyms for the Republic of Benin.