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

상하up and down 하수sewage 하숙비payment for board and lodgings 영하temperature below zero 지하basement 지하도underground tunnel 지하철subway 지하철역subway station 하bottom; lowest 하강fall; descent