Compounds of 大公

• 大公
  (n,adj-no) archduke
• 大公国
  (n) grand duchy
• 最大公約数
  (n) (math) greatest common divisor
  GCD
• 四大公害病
  (n) the four major pollution-caused illnesses (Minamata disease, Niigata Minamata disease, Yokkaichi asthma, Itai-itai disease)
  four big pollution diseases of Japan