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)

暗赤色[ansekishoku] dark red
遠赤外[ensekigai] far infrared
真赤[makka] bright red
赤い[akai] red
赤鱝[akaei] red stingray (Dasyatis akajei)

赤ちゃん[akachan] baby
赤らむ[akaramu] to become red
赤らめる[akarameru] to blush
赤ら顔[akaragao] red faced
赤ん坊[akanbou] baby