Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | Acheronteus |
| Gen. | Acherontei |
| Dat. | Acheronteo |
| Acc. | Acheronteum |
| Abl. | Acheronteo |
| Voc. | Acherontee |
| PLURIEL |
| Nom. | Acherontei |
| Gen. | Acheronteōrum |
| Dat. | Acheronteis |
| Acc. | Acheronteos |
| Abl. | Acheronteis |
| Voc. | Acherontei |
| SINGULIER |
| Nom. | Acheronteă |
| Gen. | Acheronteae |
| Dat. | Acheronteae |
| Acc. | Acheronteam |
| Abl. | Acheronteā |
| Voc. | Acheronteă |
| PLURIEL |
| Nom. | Acheronteae |
| Gen. | Acheronteārum |
| Dat. | Acheronteis |
| Acc. | Acheronteas |
| Abl. | Acheronteis |
| Voc. | Acheronteae |
| SINGULIER |
| Nom. | Acheronteum |
| Gen. | Acherontei |
| Dat. | Acheronteo |
| Acc. | Acheronteum |
| Abl. | Acheronteo |
| Voc. | Acheronteum |
| PLURIEL |
| Nom. | Acherontea |
| Gen. | Acheronteōrum |
| Dat. | Acheronteis |
| Acc. | Acherontea |
| Abl. | Acheronteis | |