| Nominative | probiont |
| Genitive | probiontu; probionta |
| Dative | probiontu; probiontovi |
| Accusative | probiont; probionta |
| Vocative | probionte |
| Locative | probiontu; probiontovi |
| Instrumental | probiontem |
| Nominative | probionty; probionti |
| Genitive | probiontů |
| Dative | probiontům |
| Accusative | probionty |
| Vocative | probionty; probionti |
| Locative | probiontech |
| Instrumental | probionty |