lose, error, fault, disadvantage, loss

Radicals

• 失う【うしなう】
  to lose, to miss (a chance, opportunity), to lose (a loved one), to be bereaved of, to concede (goals, points, etc.)
• 失望【しつぼう】
  disappointment, despair
• 失業【しつぎょう】
  unemployment, losing one's job, becoming unemployed