오답wrong answer; answering wrongly 오해misunderstanding 과오mistake 시대착오anachronism; being anachronistic 시대착오적anachronism 시대착오적anachronistic; anachronic 시행착오trial and error 오기misspelling; miswriting; mistake in writing 오독misreading 오류fallacy

도입introduction 유도inducement; guidance; induction 지도guidance; instruction 지도자leader; head 계도guidance; enlightenment 교도correctional discipline; rehabilitation 교도관prison guard; prison officer; correctional officer; corrections officer 교도소prison; jail 도입부introduction 도체conductor