Compounds of 恒久

• 恒久
  (n,adj-no) permanent
  perpetuity
  (P)
• 恒久化
  (n,vs) making permanent
• 恒久性
  (n) permanance
  perpetuity
• 恒久的
  (adj-na) permanent
  perpetual
  lasting
• 恒久施設
  (n) permanent establishment (in tax law)
• 恒久不変
  (n) permanent and immutable
• 恒久的施設
  (n) permanent establishment (in tax law)