Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | Melantheus |
| Gen. | Melanthei |
| Dat. | Melantheo |
| Acc. | Melantheum |
| Abl. | Melantheo |
| Voc. | Melanthee |
| PLURIEL |
| Nom. | Melanthei |
| Gen. | Melantheōrum |
| Dat. | Melantheis |
| Acc. | Melantheos |
| Abl. | Melantheis |
| Voc. | Melanthei |
| SINGULIER |
| Nom. | Melantheă |
| Gen. | Melantheae |
| Dat. | Melantheae |
| Acc. | Melantheam |
| Abl. | Melantheā |
| Voc. | Melantheă |
| PLURIEL |
| Nom. | Melantheae |
| Gen. | Melantheārum |
| Dat. | Melantheis |
| Acc. | Melantheas |
| Abl. | Melantheis |
| Voc. | Melantheae |
| SINGULIER |
| Nom. | Melantheum |
| Gen. | Melanthei |
| Dat. | Melantheo |
| Acc. | Melantheum |
| Abl. | Melantheo |
| Voc. | Melantheum |
| PLURIEL |
| Nom. | Melanthea |
| Gen. | Melantheōrum |
| Dat. | Melantheis |
| Acc. | Melanthea |
| Abl. | Melantheis | |