Large sandwich and Submarine sandwich

Submarine sandwich and large sandwich are semantically related. In some cases you can use "Submarine sandwich" instead a noun phrase "Large sandwich".

Submarine sandwich noun - A large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States.

Large sandwich and submarine sandwich are semantically related. You can use "Large sandwich" instead a noun phrase "Submarine sandwich".