| Singular | Plural | |
|---|---|---|
| Nominativ | collectaculom, collectaculum | collectacula |
| Genitiv | collectaculi | collectaculorum, collectaculum |
| Dativ | collectaculo | collectaculis |
| Akkusativ | collectaculum | collectacula |
| Ablativ | collectaculo | collectaculis |
| Vokativ | collectaculum | collectacula |