Pigskin sport is a term commonly used for American football, but there are several other synonyms that describe this popular sport. Gridiron game, tackle football, and leatherhead sport are a few examples of other terms used to refer to pigskin sport. Gridiron originated from the marked field resembling a grid, while tackle football emphasizes the physical contact between players. Leatherhead sport refers to the olden days when footballs were made of leather. These synonyms are not only interesting to learn, but also help to avoid repetition when writing or speaking about the sport.