The crossword solution for the term 'SHOE PART OR FISH' is 'SOLE' (4 letters). The word 'SOLE' can refer to either a part of a shoe or a type of fish. In terms of shoes, the SOLE is the bottom part of the shoe that makes contact with the ground. It is usually made of rubber or leather and provides traction and cushioning. In terms of fish, the SOLE is a flatfish that lives in shallow waters and is popular as a food source.