| Singular | Plural | |
|---|---|---|
| Nominativ | abigeus, abigeus | abigei, abigei |
| Genitiv | abigei, abigei | abigeum, abigeum, abigeorum, abigeorum |
| Dativ | abigeo, abigeo | abigeis, abigeis |
| Akkusativ | abigeum, abigeum, abigeom, abigeom | abigeos, abigeos |
| Ablativ | abigeo, abigeo | abigeis, abigeis |
| Vokativ | abigee, abigee | abigei, abigei |