낙엽leaf fall 촌락village 추락falling; dropping; plunging 추풍낙엽fallen leaves in the fall 취락settlement; community 타락depravity; degradation 탈락being eliminated; failure 탈락자dropout; eliminated competitor 퇴락dilapidation; going to ruin 폭락plunge; nosedive

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