Meaning of the Sanskrit Word: stutibhih

  stutibhih—by chanting auspicious mantras    SB 8.16.57
  stutibhih—by prayers    SB 8.7.20
  stutibhih—by various prayers of glorification    SB 8.16.42
  stutibhih—with prayers    Bg 11.21

Can't find any compound Sanskrit words containing stutibhih.