In all the world, Pishchak (Pishchak , Пищак ) is an extremely rare unknown gender given name. Much more prevalently, Pishchak is the last name as well as the forename.
Пишчак, and Піщак
Nadia, and Elena
, Пищак 
) is an extremely rare unknown gender given name. Much more prevalently, Pishchak is the last name as well as the forename.