| Nominative | brzytew |
| Genitive | brzytwi |
| Dative | brzytwi |
| Accusative | brzytew |
| Instrumental | brzytwią |
| Locative | brzytwi |
| Vocative | brzytwi |
| Nominative | brzytwie |
| Genitive | brzytwi |
| Dative | brzytwiom |
| Accusative | brzytwie |
| Instrumental | brzytwiami |
| Locative | brzytwiach |
| Vocative | brzytwie |