Compounds of 草草

• 草草
  (adj-na,int,n) (1) brevity
  rudeness
  hurry
  (2) Yours Sincerely
• お草草
  (adj-na) neglectful (i.e. in the treatment of one's guests)
• 御草草
  (adj-na) neglectful (i.e. in the treatment of one's guests)
• お草草様
  (adj-na) (pol) neglectful (i.e. in the treatment of one's guests)
• 御草草様
  (adj-na) (pol) neglectful (i.e. in the treatment of one's guests)
• 草草不一
  (n) Sincerely yours (with the nuance of "please excuse the brevity of this letter")