"The pigskin sports" is a commonly used term to refer to American football. However, there are several synonyms that can be used to describe this popular sport. Some of the most common synonyms include "gridiron," "football," "tackle football," and "American football." These terms are often used interchangeably, and each has a slightly different connotation. "Gridiron" is often used to refer to the field of play, while "tackle football" emphasizes the physical nature of the sport. "Football" is a general term that can refer to any type of the sport, including soccer, while "American football" is used to differentiate the sport from other forms of football played around the world.