변경change; alteration 변동change; fluctuation 변화change 가변variability 가변성variability; changeability 가변적being variable 가변적changeable; changing; variable 개변change; reformation; renovation 격변sudden change; rapid change; violent upheaval; cataclysm 격변기period of upheaval

요인factor; cause 원인cause; reason 인연relationship; connection 패인cause of defeat; cause of failure 동인motive 사인cause of death 인과cause and effect 인과응보karma; poetic justice; retributive justice 인습convention; old custom 인습적being conventional