Compounds of やむ

• 悔やむ
  (v5m,vt) (1) to mourn
  to lament
  (2) to be sorry
  to regret
  to repent
  (P)
• やむ得ず
  (adv) (uk) unavoidably
  inevitably
  necessarily
  reluctantly
  against one's will
• やむを得ず
  (adv) unavoidably
  inevitably
  necessarily
  reluctantly
  against one's will
• やむを得ない
  (exp) cannot be helped
  unavoidable
  (P)