Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | Cycneius |
| Gen. | Cycneii |
| Dat. | Cycneio |
| Acc. | Cycneium |
| Abl. | Cycneio |
| Voc. | Cycneie |
| PLURIEL |
| Nom. | Cycneii |
| Gen. | Cycneiōrum |
| Dat. | Cycneiis |
| Acc. | Cycneios |
| Abl. | Cycneiis |
| Voc. | Cycneii |
| SINGULIER |
| Nom. | Cycneiă |
| Gen. | Cycneiae |
| Dat. | Cycneiae |
| Acc. | Cycneiam |
| Abl. | Cycneiā |
| Voc. | Cycneiă |
| PLURIEL |
| Nom. | Cycneiae |
| Gen. | Cycneiārum |
| Dat. | Cycneiis |
| Acc. | Cycneias |
| Abl. | Cycneiis |
| Voc. | Cycneiae |
| SINGULIER |
| Nom. | Cycneium |
| Gen. | Cycneii |
| Dat. | Cycneio |
| Acc. | Cycneium |
| Abl. | Cycneio |
| Voc. | Cycneium |
| PLURIEL |
| Nom. | Cycneia |
| Gen. | Cycneiōrum |
| Dat. | Cycneiis |
| Acc. | Cycneia |
| Abl. | Cycneiis | |