The most common Korean word for “accident” is 사고 (sago). 「accident」는 한국어로 사고.
Learn 사고 free — flashcards, audio and review →「사고」 단어장으로 무료로 외우기Words and levels: TOPIK I essentials (National Institute of Korean Language standard curriculum, KOGL Type 1) · examples: Cheesepotato