추가adding; addition 가공성processability 가공식품processed food 가공품processed goods 가맹점member store; franchise 가습humidification 가습기humidifier 가입joining; signing up; entry 가입비membership fee 가입자member; subscriber

출입going in and out; entry 출입국departure; entry 입구entrance 출입coming and going 입국entering a country 입수to obtain 입구entrance; entry; gate 입원hospitalization 입장권admission ticket; entrance ticket 입학admission to a school; entrance into a school

교과서textbook 도서관library 독서reading 서류document; papers 서점bookstore 엽서postcard 추천서letter of recommendation; letter of reference 계산서check; bill 계약서contract; written agreement 계획서written plan