Cossack russian

• каза́к

  Cossack

• запоро́жец

  Zaporozhian Cossack

• пласту́н

  private in Cossack infantry, Cossack infantryman

• уря́дник

  village constable, Cossack sergeant

• кошево́й

  Koshovy (leader of a kosh), Cossack chieftain, Hetman

• оселе́дец

  Cossack forelock, oseledets, chub

• пласту́нский

  Plastun (attributive), pertaining to Plastun Cossacks, scout (attributive)

• каза́чество

  the Cossacks