The crossword solution for the term SANDWICH GO-WITH is SOUP, which is a four letter word. SOUP is a liquid dish that is typically served warm or hot and is made from a combination of ingredients such as vegetables, meat, fish, and/or legumes. It is often eaten as an appetizer or starter before the main course of a meal. SOUP is also commonly served as a side dish to accompany sandwiches, making it a popular sandwich go-with.