What five-letter term names a territory ruled by a duke or duchess?

A 5-iron, a flagstick, an electric cart and a scorecard are all part of which sport? In German, 5 is "fünf". What number is "fünfzehn"? Five kids traveling by themselves are stranded at a Chicago airport at Christmas in which 2006 film? Which five-letter body part is also a verb meaning to hitchhike? What five-letter word names a male chicken that has been castrated? What do you call a small morsel of bread or cake? What is the hard interior of a peach, which contains its seed, called? Which five-letter tempo marking means very slow, even slower than lento?