We don't have synonyms for perogy yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are peroxy, perogi and pierogy.
(n) :
Alternative spelling of pierogi. [(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) :
Alternative spelling of pierogi. [(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.]