Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | Poppaeus |
| Gen. | Poppaei |
| Dat. | Poppaeo |
| Acc. | Poppaeum |
| Abl. | Poppaeo |
| Voc. | Poppaee |
| PLURIEL |
| Nom. | Poppaei |
| Gen. | Poppaeōrum |
| Dat. | Poppaeis |
| Acc. | Poppaeos |
| Abl. | Poppaeis |
| Voc. | Poppaei |
| SINGULIER |
| Nom. | Poppaeă |
| Gen. | Poppaeae |
| Dat. | Poppaeae |
| Acc. | Poppaeam |
| Abl. | Poppaeā |
| Voc. | Poppaeă |
| PLURIEL |
| Nom. | Poppaeae |
| Gen. | Poppaeārum |
| Dat. | Poppaeis |
| Acc. | Poppaeas |
| Abl. | Poppaeis |
| Voc. | Poppaeae |
| SINGULIER |
| Nom. | Poppaeum |
| Gen. | Poppaei |
| Dat. | Poppaeo |
| Acc. | Poppaeum |
| Abl. | Poppaeo |
| Voc. | Poppaeum |
| PLURIEL |
| Nom. | Poppaea |
| Gen. | Poppaeōrum |
| Dat. | Poppaeis |
| Acc. | Poppaea |
| Abl. | Poppaeis | |