The term SUB SHOP can be broken down into two crossword solutions: DELI (4 letters) and NAVYYARD (8 letters). A deli is a type of shop that sells a variety of prepared foods, such as sandwiches, salads, and other cold dishes. A navy yard is a military base that is used for the construction, repair, and maintenance of naval ships. Therefore, a sub shop is a store that specializes in selling submarine sandwiches.