| Singular | Plural | |
|---|---|---|
| Nominativ | coactarius | coactarii |
| Genitiv | coactari, coactarii | coactariorum, coactarium |
| Dativ | coactario | coactariis |
| Akkusativ | coactariom, coactarium | coactarios |
| Ablativ | coactario | coactariis |
| Vokativ | coactarie | coactarii |
12 (15) Formen für „coactarius“