Original: ISBN 966-00-0590-3 (4) Pyrohy or pirogi (plural) are full-sized pies, while pyrizhky or pirozhki (,) are individual-sized buns that can be eaten with one hand.
Simplified: Pyrohy or pirogi are full-sized pies, while pyrizhky or pirozhki are smaller-sized pies that can be eaten with one hand.