The other day Coco was looking at a cross word which contained at least two quite interesting words. The first letter of snow leopard was the third letter of a sailing vessel. Now Coco does not often have occasion to use the word sloop, but it set him thinking about related words. Slope is one. Have you ever wondered why English spellings appear to be so difficult. If however you listen carefully then you may notice some subtle distinctions which account for the differences in spelling which we often find.