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

才槌[saizuchi] small wooden mallet
才槌頭[saizuchiatama] head like a hammer
相槌[aizuchi] sounds given during a conversation to indicate comprehension
相槌を打つ[aizuchiwoutsu] to throw in appropriate words in a conversation
金槌頭[kanazuchiatama] hard-headed

小槌[kozuchi] (small) mallet
打ち出の小槌[uchidenokozuchi] figurative magic wand
鉄槌[kanazuchi] (iron) hammer
木槌[kizuchi] wooden hammer

破天連[pateren] Portuguese Jesuits (in Japan in the 16th century)
破目[hame] panel
押し破る[oshiyaburu] to break through
破れる[wareru] to break
喝破[kappa] arguing someone down

看破[kanpa] penetration
危機突破[kikitoppa] crisis relief
規則を破る[kisokuwoyaburu] to break the rules
偶像破壊[guuzouhakai] iconoclasm
型破り[katayaburi] unusual