The most common Korean word for “end” is 끝나다 (kkeunnada). There is one more word with a similar meaning — compare them below. 「end」는 한국어로 끝나다.
to end; to finish
TOPIK 1 · verb
Words and levels: TOPIK I essentials (National Institute of Korean Language standard curriculum, KOGL Type 1) · examples: Cheesepotato