コ
と
戸
戸
door
戸(と): (1) door (esp. Japanese-style) (2) entrance (to a home) (3) narrows
井戸(いど): water well
戸籍(こせき): census; family register
雨戸(あまど): sliding storm shutter
戸棚(とだな): cupboard; locker; closet; wardrobe
戸締まり(とじまり): closing up; fastening the doors
瀬戸物(せともの): earthenware; crockery; china