Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | Niseius |
| Gen. | Niseii |
| Dat. | Niseio |
| Acc. | Niseium |
| Abl. | Niseio |
| Voc. | Niseie |
| PLURIEL |
| Nom. | Niseii |
| Gen. | Niseiōrum |
| Dat. | Niseiis |
| Acc. | Niseios |
| Abl. | Niseiis |
| Voc. | Niseii |
| SINGULIER |
| Nom. | Niseiă |
| Gen. | Niseiae |
| Dat. | Niseiae |
| Acc. | Niseiam |
| Abl. | Niseiā |
| Voc. | Niseiă |
| PLURIEL |
| Nom. | Niseiae |
| Gen. | Niseiārum |
| Dat. | Niseiis |
| Acc. | Niseias |
| Abl. | Niseiis |
| Voc. | Niseiae |
| SINGULIER |
| Nom. | Niseium |
| Gen. | Niseii |
| Dat. | Niseio |
| Acc. | Niseium |
| Abl. | Niseio |
| Voc. | Niseium |
| PLURIEL |
| Nom. | Niseia |
| Gen. | Niseiōrum |
| Dat. | Niseiis |
| Acc. | Niseia |
| Abl. | Niseiis | |