Pepperoncini is a small chili pepper that is commonly used in Italian cuisine. It is a mildly spicy pepper that adds a tangy flavor to dishes. There are several synonyms for pepperoncini, including Tuscan pepper, sweet Italian pepper, and Mediterranean pepper. These synonyms refer to the same type of pepper and are used interchangeably. In some regions of Italy, the pepperoncini is also known as the Friggitello pepper. It is commonly used in salads, sandwiches, antipasti, and pizza toppings. The mild flavor of the pepperoncini makes it a versatile ingredient that is loved by many.