Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | Megalopolitanus |
| Gen. | Megalopolitani |
| Dat. | Megalopolitano |
| Acc. | Megalopolitanum |
| Abl. | Megalopolitano |
| Voc. | Megalopolitane |
| PLURIEL |
| Nom. | Megalopolitani |
| Gen. | Megalopolitanōrum |
| Dat. | Megalopolitanis |
| Acc. | Megalopolitanos |
| Abl. | Megalopolitanis |
| Voc. | Megalopolitani |
| SINGULIER |
| Nom. | Megalopolitană |
| Gen. | Megalopolitanae |
| Dat. | Megalopolitanae |
| Acc. | Megalopolitanam |
| Abl. | Megalopolitanā |
| Voc. | Megalopolitană |
| PLURIEL |
| Nom. | Megalopolitanae |
| Gen. | Megalopolitanārum |
| Dat. | Megalopolitanis |
| Acc. | Megalopolitanas |
| Abl. | Megalopolitanis |
| Voc. | Megalopolitanae |
| SINGULIER |
| Nom. | Megalopolitanum |
| Gen. | Megalopolitani |
| Dat. | Megalopolitano |
| Acc. | Megalopolitanum |
| Abl. | Megalopolitano |
| Voc. | Megalopolitanum |
| PLURIEL |
| Nom. | Megalopolitana |
| Gen. | Megalopolitanōrum |
| Dat. | Megalopolitanis |
| Acc. | Megalopolitana |
| Abl. | Megalopolitanis | |