The crossword solution for the term SUFFIX WITH SOCK is EROO, which is a four letter word. EROO is a suffix that is commonly used to refer to something that is small or insignificant. It is often used in combination with the word 'SOCK' to describe something that is not worth much, such as a 'SOCK-eroo' or a 'SOCK-full'. This phrase is often used in a humorous way to describe something that is not worth much.