개교establishment of a school 개교기념일school anniversary 개교식school opening ceremony 개발development; exploitation 개발비development expense 개방opening; opening to the public 개봉관first-run theater 개봉작new release 개업의private practice physician 개원opening of a hospital; opening of an institute

회사company; corporation 회사원employee; office worker; staff 회원member 회의meeting; conference 교회church 기회chance; opportunity 대회meeting; convention 토론회debate; panel discussion 학생회student's association; student council 학생회관student center