| Singular | Plural | |
|---|---|---|
| Nominativ | contubernium | contubernia |
| Genitiv | contuberni, contubernii | contuberniorum |
| Dativ | contubernio | contuberniis |
| Akkusativ | contubernium | contubernia |
| Ablativ | contubernio | contuberniis |
| Vokativ | contubernium | contubernia |
12 (15) Formen für „contubernium“