Kanji Level 6 (181 kanji)  
#   Kanji      
855 しろ shiro castle; city wall 1359
  しろあと 城跡 shiroato ruins of a castle 1359 2517
           
    城壁 joohekı rampart  
    城郭 jookaku citadel  
    城主 jooshu lord of a castle