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