| Singular | Plural | |
|---|---|---|
| Nominativ | collustriom, collustrium | collustria |
| Genitiv | collustrii | collustriorum, collustrium |
| Dativ | collustrio | collustriis |
| Akkusativ | collustrium | collustria |
| Ablativ | collustrio | collustriis |
| Vokativ | collustrium | collustria |
12 (14) Formen für „collustrium“