Complex sentence: The term almost invariably refers only to contests for unmarried women such as the Big Four international beauty pageants; with similar events for men or boys being called by other names and more likely to be bodybuilding contests.
Split into simpler sentences: The term almost invariably refers only to contests for unmarried women such as the Big Four international beauty pageants. Similar events or competition for men or boys being called by other names and more likely to be bodybuilding contests.