Compounds of 冑

• 冑
  (n) helmet (of armor, armour)
  headpiece
• 華冑
  (n) aristocracy
  nobility
• 甲冑
  (n) armor and helmet (armour)
• 内冑
  (n) inside of a helmet
  hidden circumstances
• 甲冑師
  (n) armorer
  armourer