| Nominative | katusza |
| Genitive | katuszy |
| Dative | katuszy |
| Accusative | katuszę |
| Instrumental | katuszą |
| Locative | katuszy |
| Vocative | katuszo |
| Nominative | katusze |
| Genitive | katuszy |
| Dative | katuszom |
| Accusative | katusze |
| Instrumental | katuszami |
| Locative | katuszach |
| Vocative | katusze |