The crossword solutions for the term 'SIZABLE SANDWICH' are 'SUB' (3 letters) and 'HERO' (4 letters). A SUB sandwich, also known as a submarine sandwich, is a type of sandwich made with a long roll of Italian or French bread. It is typically filled with various meats, cheeses, vegetables, and condiments. A HERO sandwich, also known as a hoagie, grinder, or poor boy, is a type of sandwich made with a long roll of Italian or French bread. It is typically filled with various meats, cheeses, vegetables, and condiments. Both types of sandwiches are usually large in size, hence the term 'sizable sandwich'.