| Singular | Plural | |
|---|---|---|
| Nominativ | coactum, coactumque, coactom | coacta, coactaque |
| Genitiv | coactique, coactisve, coacti | coactorum |
| Dativ | coactoreis, coacto, coactoque | coactis, coactisque |
| Akkusativ | coactum, coactumque | coacta, coactaque |
| Ablativ | coactoreis, coacto, coactoque | coactis, coactisque |
| Vokativ | coactum, coactumque | coacta, coactaque |