褐
털베 갈, 굵은 베 갈, 천한사람 갈, 갈옷 갈, coarse woolen cloth; dull, dark (15)
炭
숯 탄, 불똥 탄, 볶일 탄, charcoal; coal; carbon (9)
褐炭
갈탄
brown coal
褐炭
갈탄
lignite