이전previous time; before 이후later time; the future 이내within; less than; not more than 이상or more; and over 이외the others; being other than 이하and below; and less 이남south 이래since 이북north 이실직고telling of the truth

전후before and after 목전before one's eyes 오전morning 오전반morning class 이전previous time; before 전past 전former 전전before last 전전before last 면전in front of somebody; in one's presence

번beon 번호number 전화번호phone number 국번area code; telephone exchange number 매번all the time 매번every time 번지house number; street address 번호순numerical order 번호판number plate 번호표number ticket