Feminine is Oleksandra. Thus it takes on the pet names Olek or Ola for the feminine. And that's why the Polish Aleksander and Aleksandra traditionally takes on those pet names as well (influenced by the Ukrainian).
Thus it takes on the pet names Olek for masculine or Ola for feminine. And that's why the Polish Aleksander and Aleksandra traditionally take on those pet names as well (influenced by the Ukrainian).