以北[ihoku] north of
華北[kahoku] North China
極北[kyokuhoku] extreme north
真北[makita] due north
正北[seihoku] due north

西北[seihoku] north-west
西北西[seihokusei] west-northwest
東西南北[touzainanboku] east, west, south and north
東北[touhoku] north-east
東北人[touhokujin] Northeastener

亜成層圏[aseisouken] substratosphere
漢字文化圏[kanjibunkaken] countries which use Chinese characters
岩石圏[gansekiken] lithosphere
気圏[kiken] atmosphere
共栄圏[kyoueiken] co-prosperity sphere

共産圏[kyousanken] communist bloc
極地圏[kyokuchiken] polar regions
圏外[kengai] outside range
圏内[kennai] within the sphere

陰極[inkyoku] cathode
陰極線[inkyokusen] cathode rays
陰極線管[inkyokusenkan] cathode-ray tube
危極[kikyoku] crisis
窮極[kyuukyoku] ultimate

究極目的[kyuukyokumokuteki] extreme purpose
極く[goku] quite
極み[kiwami] height
極めて[kiwamete] exceedingly
極悪[gokuaku] heinous