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

통장bank book; deposit passbook 통화talking over the telephone 교통transportation; traffic 교통비fare; transportation expense 교통사고traffic accident; car crash 보통being ordinary; being average 보통usually; in general 통number of letters; number of documents; number of calls 통과pass 통근commuting