北極海
北極 (hokkyoku, “North Pole”) + 海 (kai, “sea”)
北極海 (hiragana ほっきょくかい, romaji Hokkyokukai, historical hiragana ほくきょくかい)
北極海 • (Bukgeukhae, McCune-Reischauer: Pukkŭkhae, Yale: Pukqkuk.hay) (hangeul 북극해)