This is the 5591st most frequent Korean word.
미국인
American
Here, '미국인' is used as a predicate noun, indicating the speaker's nationality.
저는 미국인이에요.
I am an American.
In this sentence, '미국인' serves as an adjective modifying the noun '친구' (friend).
그는 미국인 친구가 있어요.
He has an American friend.
Here, '미국인' is used as part of a possessive phrase with the postpositional particle '의', denoting something associated with Americans.