| Nominative | konwenans |
| Genitive | konwenansu |
| Dative | konwenansowi |
| Accusative | konwenans |
| Instrumental | konwenansem |
| Locative | konwenansie |
| Vocative | konwenansie |
| Nominative | konwenanse |
| Genitive | konwenansów |
| Dative | konwenansom |
| Accusative | konwenanse |
| Instrumental | konwenansami |
| Locative | konwenansach |
| Vocative | konwenanse |