Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | Theopompeus |
| Gen. | Theopompei |
| Dat. | Theopompeo |
| Acc. | Theopompeum |
| Abl. | Theopompeo |
| Voc. | Theopompee |
| PLURIEL |
| Nom. | Theopompei |
| Gen. | Theopompeōrum |
| Dat. | Theopompeis |
| Acc. | Theopompeos |
| Abl. | Theopompeis |
| Voc. | Theopompei |
| SINGULIER |
| Nom. | Theopompeă |
| Gen. | Theopompeae |
| Dat. | Theopompeae |
| Acc. | Theopompeam |
| Abl. | Theopompeā |
| Voc. | Theopompeă |
| PLURIEL |
| Nom. | Theopompeae |
| Gen. | Theopompeārum |
| Dat. | Theopompeis |
| Acc. | Theopompeas |
| Abl. | Theopompeis |
| Voc. | Theopompeae |
| SINGULIER |
| Nom. | Theopompeum |
| Gen. | Theopompei |
| Dat. | Theopompeo |
| Acc. | Theopompeum |
| Abl. | Theopompeo |
| Voc. | Theopompeum |
| PLURIEL |
| Nom. | Theopompea |
| Gen. | Theopompeōrum |
| Dat. | Theopompeis |
| Acc. | Theopompea |
| Abl. | Theopompeis | |