Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | Geryoneus |
| Gen. | Geryonei |
| Dat. | Geryoneo |
| Acc. | Geryoneum |
| Abl. | Geryoneo |
| Voc. | Geryonee |
| PLURIEL |
| Nom. | Geryonei |
| Gen. | Geryoneōrum |
| Dat. | Geryoneis |
| Acc. | Geryoneos |
| Abl. | Geryoneis |
| Voc. | Geryonei |
| SINGULIER |
| Nom. | Geryoneă |
| Gen. | Geryoneae |
| Dat. | Geryoneae |
| Acc. | Geryoneam |
| Abl. | Geryoneā |
| Voc. | Geryoneă |
| PLURIEL |
| Nom. | Geryoneae |
| Gen. | Geryoneārum |
| Dat. | Geryoneis |
| Acc. | Geryoneas |
| Abl. | Geryoneis |
| Voc. | Geryoneae |
| SINGULIER |
| Nom. | Geryoneum |
| Gen. | Geryonei |
| Dat. | Geryoneo |
| Acc. | Geryoneum |
| Abl. | Geryoneo |
| Voc. | Geryoneum |
| PLURIEL |
| Nom. | Geryonea |
| Gen. | Geryoneōrum |
| Dat. | Geryoneis |
| Acc. | Geryonea |
| Abl. | Geryoneis | |