The rutabaga, started as a cross between a cabbage and a turnip. Rutabagas can be roasted, julienned, mashed and added to soups and stews.
Rutabagas are called swedes in countries like England and Australia.
Rye is a cereal very closely related to wheat. It is grown mainly to make flour from to make into rye bread. It is also used as animal feed and to make some kinds of whiskey.