matter, thing, fact, business, reason, possibly

Radicals

• 大事【だいじ】
  important, serious, crucial, valuable, precious, serious matter, major incident, matter of grave concern, crisis, great undertaking, great enterprise, great thing, safe, OK
• 事故【じこ】
  accident, incident, trouble, circumstances, reasons
• 返事【へんじ】
  reply, answer, response
• 事務所【じむしょ】
  office
• 用事【ようじ】
  tasks, things to do, errand, business (to take care of), affairs, engagement
• 火事【かじ】
  fire, conflagration