Ukrainian edit

Etymology edit

From Кост (Kost) +‎ -юк (-juk).

Pronunciation edit

Noun edit

Костю́к (Kostjúkm pers (genitive Костюка́, nominative plural Костюки́, genitive plural Костюкі́в)
Костю́к (Kostjúkf pers (indeclinable)

  1. a surname, Kostiuk

Declension edit

The feminine form is indeclinable.

Descendants edit

  • English: Kostiuk
  • Romanian: Costiuc
  • Russian: Костю́к (Kostjúk)