| Singular | Plural | |
|---|---|---|
| Nominativ | collactanea | collactaneae |
| Genitiv | collactaneae, collactaneai | collactaneum, collactanearum |
| Dativ | collactaneae, collactaneai | collactaneis, collactaneabus |
| Akkusativ | collactaneam | collactaneas |
| Ablativ | collactanea, collactanead | collactaneis, collactaneabus |
| Vokativ | collactanea | collactaneae |