Compounds of 陛下

• 陛下
  (n,n-suf) (hon) your Majesty
  his (or her) Majesty
  (P)
• 両陛下
  (n) Their Majesties
  the Emperor and Empress
• 王后陛下
  (n) Her Majesty the Queen
• 皇后陛下
  (n) her majesty the Empress
• 国王陛下
  (exp) His Majesty the King
• 今上陛下
  (n) the reigning emperor
  His Majesty the Emperor
• 女王陛下
  (exp) Her Majesty the Queen
• 天皇陛下
  (n) His Majesty the Emperor
  (P)