Answer: SLAV

AnswerCrossword Clue
SLAVMany a Cossack
SLAVBulgarian, e.g.
SLAVCzech, for one
SLAVCertain Eastern European
SLAVSerb, e.g.
SLAVAusterlitz native, e.g.
SLAVMany a Balkan native
SLAVSerb or Czech
SLAVCossack, usually
SLAVCroat or Bulgar
SLAVPole or Croat
SLAVBelgrade resident
SLAVSerb, for one
SLAVLendl or Navratilova
SLAVPole, for example
SLAVBulgar or Croat
SLAVDalmatian or Croatian
SLAVBulgarian, for one
SLAVCroat, for one
SLAVCzech or Serb
SLAVDweller along the Don
SLAVPole, e.g.
SLAVBulgar or Pole
SLAVCroat, e.g.
SLAVMacedonian, for one
SLAVTchaikovsky's "Marche .."
SLAVBelgrade native
SLAVEastern European
SLAVSerb or Croat
SLAVSerb
SLAVCroat or Czech
SLAVTsar, often
SLAVCzech, e.g.
SLAVPole or Czech
SLAVCzech or Croat
SLAVCroat or Serb
SLAVMany a Balkan
SLAVDalmatian, e.g.
SLAVBalkan native
SLAVBohemian, e.g.