The term 'Sudden Overpowering Fear' can be summarized as PANIC, which is a five-letter word. PANIC is an intense feeling of fear or distress that can come on suddenly and without warning. It is often accompanied by physical symptoms such as a racing heart, shortness of breath, and sweating. PANIC can be caused by a variety of factors, including stressful life events, traumatic experiences, and even certain medical conditions.