Some things that come in groups of five are basketball positions, fingers and toes, food groups, the Great Lakes, oceans, senses, U.S. military branches and vowels in English. People that come in groups of five include the Marx brothers and the Spice Girls.
The five basketball positions are center, point guard, power forward, shooting guard and small forward. The five food groups are dairy, fruits, grains, proteins and vegetables. Erie, Huron, Michigan, Ontario and Superior are the five Great Lakes, and the Arctic, Atlantic, Indian, Pacific and Southern are the five oceans. The five senses are hearing, sight, smell, taste and touch. The Air Force, Army, Coast Guard, Marines and Navy are the five U.S. military branches. The five vowels in English are a, e, i, o and u.
The names of the Marx brothers are Chico, Groucho, Gummo, Harpo and Zeppo. The Spice Girls were a British pop group with five members, best known by their nicknames: Baby, Ginger, Posh, Scary and Sporty.
Most words with a penta-prefix refer to a set of five items. For example, a pentathlon is an athletic competition with five events: cross-country running, equestrian, fencing, shooting and swimming. The Pentateuch contains the first five books of the Bible: Genesis, Exodus, Leviticus, Numbers and Deuteronomy.