Simplify the following text for a Grade 6 native English-speaking person.
Original: The term `` bell peppers '' is rarely used , usually in reference to C. annuum and other varieties which look like a `` capsicum '' or bell but are fairly hot .
Simplified: The term `` bell peppers '' is almost never used , although C. annuum and other varieties which have a bell-shape and are fairly hot , are often called `` bell chillies '' .