| Singular | Plural | |
|---|---|---|
| Nominativ | contributom, contributum | contributa |
| Genitiv | contributi | contributorum |
| Dativ | contributo | contributis |
| Akkusativ | contributum | contributa |
| Ablativ | contributo | contributis |
| Vokativ | contributum | contributa |
12 (13) Formen für „contributum“