Compounds of こ

• 過ちて改めざるこれを過ちという
  (exp,v5u) to err and not change one's ways, this is what it is to err (from Analects of Confucius)
• 過ちては則ち改むるに憚ること勿れ
  (exp) do not delay to make amends for one's wrongs
• 窮鳥懐に入れば猟師もこれを殺さず
  (exp) (obs) Even the hunter will refrain from killing the bird that has flown to him for shelter
• この度は大変お世話になりありがとうございました
  (exp) thank you for all your hard work
• このたびは大変お世話になりありがとうございました
  (exp) thank you for all your hard work