Nantoka/오차ocha오차 (ocha) is a Korean word meaning “error; mistake”.Meanings1error2mistakePart of speechnounHanja誤差Related words오해misunderstanding차별discrimination차이difference차이점difference일교차diurnal range착오mistake오류fallacy시행착오trial and error차difference차별화differentiation천차만별diversity격차gapStudy Korean with flashcards →