Compounds of 弱

• 懦弱
  (adj-na,n) coward
  cowardly
  weak
• 羸弱
  (adj-na,n) weakness
  feebleness
  imbecility
• か弱い
  (adj-i) frail
  feeble
  (P)
• ひ弱い
  (adj-i) weak
  sickly
• 虚弱児
  (n) physically weak or sickly child
• 弱い者
  (n) weak person
  the weak
• 弱き者
  (n) weak person
  the weak
• 弱まり
  (n) abatement
  weakening
• 弱まる
  (v5r,vi) to abate
  to weaken
  to be emaciated
  to be dejected
  to be perplexed
  (P)
• 弱める
  (v1,vt) to weaken
  (P)
• 弱り目
  (n) time of weakness
• 弱塩基
  (n) (chem) weak base
• 弱塩酸
  (n) weak acid
• 弱音器
  (n) damper
  mute (on musical instruments)
• 弱含み
  (n) bearish (stock market)
• 弱結合
  (n) weak coupling (physics)
• 弱材料
  (n) bearish factor
• 弱酸性
  (n) slight acidity
• 弱小国
  (n) minor power
• 弱体化
  (n,vs) weakening
• 弱電器
  (n) light electrical appliance
• 弱電線
  (n) weak electrical current line (e.g. intercom)
• 弱年者
  (n) youngster
• 弱年者
  (n) youngster
• 弱味噌
  (n) weakling
  coward
• 脆弱性
  (n) vulnerability
• 大弱り
  (n,adj-no) extremely troubled
  very puzzled
• 力弱い
  (n) weak
• 意志薄弱
  (adj-na,n,adj-no) weak-willed
  lacking a purpose
  lacking will power to be patient, purposeful, or resolute
• 気が弱い
  (exp) timid
  faint of heart