The term SEAFOOD APPETIZER can be broken down into two crossword solutions: OYSTER (6 letters) and CRAAKE (6 letters). Oysters are a type of mollusk that live in saltwater and are often eaten raw or cooked. They are a popular seafood appetizer, especially when served with lemon juice and hot sauce. Craake is a type of fish that is found in the North Atlantic Ocean. It is usually served fried or grilled and is a popular seafood appetizer.