首都

しゅと

capital city, metropolis

都市圏

としけん

urban area, metropolitan area, metropolitan region

首都高

しゅとこう

Shuto Expressway (network of toll expressways in the Kanto region)

大都市圏

だいとしけん

greater metropolitan area, megalopolis, conurbation

首都直下地震

しゅとちょっかじしん

Tokyo near-field earthquake; large-scale earthquake expected to directly hit the Kanto area sometime in the future; also refers to the 1855 and 1894 Edo/Tokyo earthquakes

首都師範大学

しゅとしはんだいがく

Capital Normal University

圏

けん

category (only in the context of "category theory")

首都直下型地震

しゅとちょっかがたじしん

Tokyo near-field earthquake; large-scale earthquake expected to directly hit the Kanto area sometime in the future; also refers to the 1855 and 1894 Edo/Tokyo earthquakes

首

おびと おひと おうと かしら くび クビ しゅ

counter for songs and poems

圏点

けんてん

circle (for emphasis)

熱圏

ねつけん

thermosphere

圏谷

けんこく

cirque, corrie, cwm

岩圏

がんけん

lithosphere

気圏

きけん

atmosphere

圏内

けんない

within the sphere

時圏

じけん

circle of declination

圏域

けんいき

sphere (e.g. of knowledge, influence)

根圏

ねけん

rhizosphere

商圏

しょうけん

business region