The term 'Cause of Annoyance' can be summarized as a 'PEEVE', which is a five-letter word. A PEEVE is an annoyance or grievance that someone has, usually caused by another person's behavior or actions. Peeves can range from minor annoyances to major grievances, and can be caused by anything from a person's attitude to their habits. Peeves can also be caused by external factors such as noise, traffic, or weather.