Foxlair, what have you put for number 3? Could swap you an answer. Didn't know whether it could be "Scent" or "cent". I counted the homphones, but not sure of another answer? x
The Duke question could be any of those answered. I've put Burgundy? Cos it's a product associated with France, but it could be a place instead I suppose., the other two don't seem so well known. Good luck. x