Why does your nose 'run' and your feet 'smell'?
Why do we call a building, a 'building' if it's already been built?
Why is it called a TV 'set' when you only get one?
And why does an alarm clock 'go off' when it starts ringing?

Why is it called a 'near miss' when you don't hit something?
Why does 'cleave' mean both to split apart and to stick together?
Why call it 'taking' a dump, when you leave something behind?
And if a 'vegetable' goes into a coma, is it called a person?