The most common Korean word for “father” is 아버지 (abeoji). There is one more word with a similar meaning — compare them below. 「father」는 한국어로 아버지.
father
TOPIK 1 · noun · honorific: 아버님
father (hon.)
TOPIK 2 · noun · honorific form of 아버지 — use it for elders and customers
Words and levels: TOPIK I essentials (National Institute of Korean Language standard curriculum, KOGL Type 1) · examples: Cheesepotato
치즈감자