When to use king in Korean
Korean: 국왕[ guk-wang ]

When to use it
A king is a male ruler of a country in a royal family. In Korean, this word is 국왕. You often see it in history, stories, news, or when talking about a royal family.
Example sentences
선생님이 국왕 이야기를 해요.
The teacher talks about a king.
박물관에서 옛날 국왕 사진을 봤어요.
I saw a photo of an old king at the museum.
엄마와 저는 국왕이 나오는 영화를 봐요.
My mom and I watch a movie with a king in it.
가게에서 국왕 그림이 있는 엽서를 샀어요.
I bought a postcard with a picture of a king at the shop.
TV에 국왕이 나와요.
The king appears on TV.
그 나라의 국왕은 아주 유명해요.
The king of that country is very famous.