Meaning of the Sanskrit Word: amogham

  amogham—without failure    SB 3.14.15, SB 9.24.34
  amogham—without check    SB 1.8.15
  amogham—which is infallible (your thunderbolt)    SB 6.11.19
  amogham—unfailingly    SB 7.7.41
  amogham—and success    SB 7.14.24
  amogham—infallible    SB 8.11.12
  amogham—without material contamination    SB 8.24.51

Can't find any compound Sanskrit words containing amogham.