| Singular | Plural | |
|---|---|---|
| Nominativ | aggaeus, aggaeus | aggaei, aggaei |
| Genitiv | aggaei, aggaei | aggaeorum, aggaeorum, aggaeum, aggaeum |
| Dativ | aggaeo, aggaeo | aggaeis, aggaeis |
| Akkusativ | aggaeom, aggaeom, aggaeum, aggaeum | aggaeos, aggaeos |
| Ablativ | aggaeo, aggaeo | aggaeis, aggaeis |
| Vokativ | aggaee, aggaee | aggaei, aggaei |