Almonds are members of the peach family. The dot over the letter 'i' is called a tittle.
Ingrown toenails are hereditary.
The longest word in the English language, according to the Oxford English Dictionary, is pneumonoultramicroscopicsilicovolcanoconiosis. The only other word with the same amount of letters is pneumonoultramicroscopicsilicovolcanoconioses, its plural. Tigers have striped skin, not just striped fur. Alfred Hitchcock didn't have a belly button. It was eliminated when he was sewn up after surgery.