More N1 vocabulary

• 軽率けいそつrash; thoughtless; careless; hasty
• 冬眠とうみんhibernation; winter sleep
• 教訓きょうくんlesson; precept; moral instruction
• 倹約けんやくthrift; economy; frugality
• 不動産ふどうさんreal estate
• 当選とうせんbeing elected; winning the prize