Pig-food is a term used to describe the food that is fed to pigs. SLOPS, which is five letters long, is a type of pig-food made from kitchen scraps and other leftovers. SWILL, also five letters long, is another type of pig-food made from grains and other plant materials. SLOP, four letters long, is a wet mash of grains and other feed ingredients. Lastly, MAST, four letters long, is a type of pig-food made from acorns, nuts, and other hard fruits. All of these types of pig-food are designed to provide pigs with the nutrition they need to stay healthy.