
Department, course, science
치과 – dentist office, dentistry
안과 – ophthalmology
정형외과 – orthopedics
과목 – subject, lesson
학과 – school subject, lesson
교과서 – textbook, schoolbook
영문학과 – the english literature department
컴퓨터공학과 – the computer engineering department
과학 – science
과학자 – scientist
백과사전 – encyclopedia

Exceed, excessive, pass
과식(하다) – overeating
과속(하다) – excessive speed
사과(하다) – apology
과로(하다) – overwork
과거 – the past, the past tense
과분하다 = excessive, generous, undeserved

Fruit, result
과일 – fruit
사과 – apple
결과 – result
효과 – effect

Lesson, task, section
과장 – head of a section
인사과 – the section of personnel
회계과 – the accounting section
과제 – homework

Sweets, fruit
과자 – snack, cookie
제과점 – confectionery, bakery
한과 – traditional korean cookie
다과 – tea and cake, cookie
다과회 – tea party