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

奇襲[kishuu] surprise attack
逆襲[gyakushuu] counterattack
急襲[kyuushuu] raid
空襲[kuushuu] air-raid
襲ぐ[tsugu] to succeed (someone in a business or inheritance)

襲い掛る[osoikakaru] to rush on
襲い攻める[osoisemeru] to array against
襲う[osou] to attack
襲撃[shuugeki] attack
襲爵[shuushaku] succession to the peerage