We don't have synonyms for pierogies yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are pirogies, pierogie and pierogi.
(n) :
(Canada, US) A square- or crescent-shaped dumpling of unleavened dough, stuffed with sauerkraut, cheese, mashed potatoes, cabbage, onion, meat, or any combination of these, or with a fruit filling.
(n) :
(Canada, US) A square- or crescent-shaped dumpling of unleavened dough, stuffed with sauerkraut, cheese, mashed potatoes, cabbage, onion, meat, or any combination of these, or with a fruit filling.