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

荻江節[ogiebushi] type of Japanese music
赤荻[sekiteki] late Edo-period pejorative for Russians
北荻[hokuteki] barbarians to the north (from Chinese)

荻野学説[oginogakusetsu] Ogino theory (basis of the rhythm method)
荻野式避妊法[oginoshikihininhou] Ogino method (of birth control)
荻野式[oginoshiki] Ogino method (of birth control)