If you want to know about something not on this list, let me know and I will do my best to research it for you.
지옥 hell
악마/악령/마귀/악신 devil/demon/evil spirit
(-> I confirmed that they dont really differentiate demon from devil. I was also told 악신 isnt used much)
죄 sin
죄인 sinner
죄(를) 짓다 to commit a sin
천국 / 하늘나라 heaven
천사 angel
기도 prayer
(기도하다 to pray)
신앙 faith (holding to one’s beliefs)
기적 miracle
~을/를 행하다 to perform
(-> I was told not to drop 을/를 with this)
EX: 예수님은 기적을 행하셨어요 Jesus performed miracles)
신/하나님/하느님 God
종교 religion
기독교 Christianity
침례교 Baptist
(기독교인 / 침례교인 a Christian / Baptist)
세례(식) Baptism (ceremony)
교회 church
십자가 cross
십자가형 crucifixion
절 Buddhist temple
불교 Buddhism
부처님 Buddha
부처님 오신 날 Buddha’s Birthday (literally “the day buddha came”)
이슬람교 Islam
알라 Allah
일신교 monotheism
유일신 Only One God
(-> 유일 just one/the only one + 신 God)
다신교 polytheism
무신론 Atheism
~ Shelbi