A suitcase is a container used for carrying clothes, personal items, and different kinds of stuff. There are different synonyms for suitcase, depending on the context of usage. One synonym is a traveling bag or a travel case, which is used specifically for traveling. Another common synonym is a luggage case or just luggage, which refers to bags or suitcases carried while traveling by car, train, or plane. A trunk is also a synonym for a suitcase, but it is typically larger and used for carrying more significant items. Duffel bags, backpacks, and carry-on bags are other synonyms for suitcases, but they are more specific in terms of their size and design.