家鴨[ahiru] domestic duck
鴨嘴[kamonohashi] platypus (Ornithorhynchus anatinus)
鴨居[kamoi] lintel
鴨打ち[kamouchi] duck hunting
鴨猟[kamoryou] duck hunting

鴨脚樹[ichou] ginkgo (Ginkgo biloba)
真鴨[magamo] mallard (Anas platyrhynchos)
間鴨[aigamo] cross between a mallard and domestic duck
小鴨[kogamo] green-winged teal (species of duck, Anas crecca)