Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | Achaeus |
| Gen. | Achaei |
| Dat. | Achaeo |
| Acc. | Achaeum |
| Abl. | Achaeo |
| Voc. | Achaee |
| PLURIEL |
| Nom. | Achaei |
| Gen. | Achaeōrum |
| Dat. | Achaeis |
| Acc. | Achaeos |
| Abl. | Achaeis |
| Voc. | Achaei |
| SINGULIER |
| Nom. | Achaeă |
| Gen. | Achaeae |
| Dat. | Achaeae |
| Acc. | Achaeam |
| Abl. | Achaeā |
| Voc. | Achaeă |
| PLURIEL |
| Nom. | Achaeae |
| Gen. | Achaeārum |
| Dat. | Achaeis |
| Acc. | Achaeas |
| Abl. | Achaeis |
| Voc. | Achaeae |
| SINGULIER |
| Nom. | Achaeum |
| Gen. | Achaei |
| Dat. | Achaeo |
| Acc. | Achaeum |
| Abl. | Achaeo |
| Voc. | Achaeum |
| PLURIEL |
| Nom. | Achaea |
| Gen. | Achaeōrum |
| Dat. | Achaeis |
| Acc. | Achaea |
| Abl. | Achaeis | |