padziernika
Padziernika is not a standard Polish word. In Polish orthography it is generally understood as a misspelling or nonstandard variant of the genitive form października, which is used for October. The term października is the correct genitive form of październik (the month October). The form padziernika does not appear in standard dictionaries and is not used in formal writing.
In practice, padziernika may arise as a typographical error, an OCR misread, or a colloquial mispronunciation
Orthography and pronunciation are relevant here. The letter ź in październik represents a distinct sound from dz,
See also: Polish language, Polish orthography, months of the year, diacritics, OCR errors.