"Pigskin sports" refer to athletic activities that involve the use of an oval-shaped ball made from pigskin leather. However, there are several other synonyms that are used to describe these sports. American football is the most commonly known pigskin sport, however, it may also be called gridiron or simply football. Rugby is another popular pigskin sport that is also known as rugby football. There's also Australian rules football, which is commonly referred to as Aussie rules football or footy. Other terms that are used to describe pigskin sports include Canadian football and Gaelic football. Regardless of the term used to describe it, playing pigskin sports requires skill, athleticism, and teamwork.