Compounds of 無力

• 無力
  (adj-na,n,adj-no) powerlessness
  helplessness
  incompetent
  (P)
• 無力感
  (n) sense of helplessness
  (P)
• 筋無力症
  (n,adj-no) myasthenia
• 重症筋無力症
  (n) myasthenia gravis