I love the baby name boards but I get so frustrated by people not appearing to know the difference between diminutives and nick names.
You can't plan a nickname - it is something that develops given either by family or friends based on a physical or character feature of a person eg (using examples from my own life) wiggy, knees, ginger- these are often quite mean but meant affectionately as frustrating as it is parents have no control over it. They also can be based on a person's name eg Macca or Giggsy etc.
A diminutive is what most people mean on the baby name board when they say nickname. A shortened form of a longer more formal name used day to day, eg Catherine is known as Kate or Katie for short. These can be planned for and considered by parents choosing a name.
Am I being to get irritated by this? And yes I know it isn't an important problem just a minor irritation.