城郭 (じょうかく)fortress; castle; citadel

城郭, its kanji, and other words that share them.Open this graph

Kanji in 城郭

城しろcastle
城内じょうないinside of a castle
傾城けいせいbeauty; siren
古城こじょうold castle; old fortress
城下じょうかland near a castle
城下町じょうかまちcastle town; city in Japan that developed around the castle of a feudal lord
城主じょうしゅlord of a castle
城壁じょうへきrampart; castle walls
外郭団体がいかくだんたいauxiliary organization (organisation); extra-departmental body
輪郭りんかくcontour; outline
外郭がいかくouter wall (e.g. castle); outer block (enclosure)
遊郭ゆうかく(licensed) red light district
一郭いっかくone block; enclosure
五稜郭ごりょうかくfive-sided fortification
囲郭村いかくそんwalled settlement; walled town
城郭都市じょうかくとしfortified city; walled city

See how 城郭 connects to the rest of Japanese.