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

半平[hanpei] pounded fish cake
アジア太平洋地域[ajiataiheiyouchiiki] Asia-Pacific region
ダウ平均株価[dauheikinkabuka] Dow-Jones average
ノーベル平和賞[nooberuheiwashou] Nobel peace prize
悪平等[akubyoudou] misguided equality

開平[kaihei] extraction of square root
平す[narasu] to make even
公平[kinpira] chopped burdock root (and sometimes carrot) cooked in sugar and soy sauce
金平糖[konpeitou] small coloured sugar candy covered in bulges
公平[kouhei] fairness