茨城県[ibarakiken] Ibaraki prefecture (Kantou area)
王城[oujou] royal castle
下城[gejou] withdrawing from the castle
牙城[gajou] stronghold (esp. of an enemy or opponent)
開城[kaijou] capitulation (of fort)

宮城[kyuujou] Imperial Palace
宮城県[miyagiken] Miyagi prefecture (Tohoku area)
傾城[keisei] beauty
堅城[kenjou] strong fortress
古城[kojou] old castle

スポ根[supokon] heart (athletics)
羽根[hane] feather
円屋根[maruyane] dome
家根[yane] roof
卸し大根[oroshidaikon] grated daikon

下し大根[oroshidaikon] grated radish
下種根性[gesukonjou] mean feelings
夏大根[natsudaikon] summer daikon
禍根[kakon] root of evil
塊根[kaikon] tuberous root