Chilli pepper is a popular ingredient in many cuisines, and there are many different synonyms for this fiery spice. Some of the most common synonyms for chilli pepper include cayenne pepper, jalapeño, habanero, paprika, and red pepper. Each of these synonyms has a slightly different flavor profile and heat level, ranging from mild to extremely spicy. In addition, there are also regional variations in the types of chilli peppers used, such as Thai bird's eye chilli or Mexican guajillo pepper. Whether you're making a spicy salsa or adding some heat to your favorite meat dish, chilli pepper and its many synonyms are a versatile and flavorful ingredient.