首都 (しゅと)capital city; metropolis

capital city; metropolisnoun (common) (futsuumeishi), nouns which may take the genitive case particle 'no'

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

Kanji in 首都

首相しゅしょうprime minister; chancellor (Germany, Austria, etc.)
首脳しゅのうhead; leader
党首とうしゅparty leader
首くびneck
首位しゅいfirst place; head position
首都圏しゅとけんthe capital city (often Tokyo) area (typically within 50 km of city's centre) (center)
一首いっしゅone tanka; one poem
元首げんしゅsovereign; ruler
京都きょうとKyoto (city, prefecture)
都内とない(within) the (Tokyo) metropolitan area
都市としtown; city
都みやこcapital (esp. Kyoto, Japan's former capital); seat of government
都道府県とどうふけんprefectures (of Japan); largest administrative divisions of Japan: Tokyo-to, Osaka-fu, Kyoto-fu, Hokkaido and the remaining prefectures
都心としんcity centre (center) (esp. capital city); urban centre
都議とぎMetropolitan assemblyman

See how 首都 connects to the rest of Japanese.