This is the 1540th most frequent Korean word.
과일
Fruit.
과일 is used here as a subject noun emphasizing its freshness and health benefits.
신선한 과일이 건강에 좋아요.
Fresh fruits are good for health.
과일 is used here as a general noun referring to fruits.
나는 과일을 좋아해요.
I like fruits.
과일 is used here as part of a compound noun referring to different kinds of fruits.