| Singular | Plural | |
|---|---|---|
| Nominativ | conclusiuncula | conclusiunculae |
| Genitiv | conclusiunculai, conclusiunculae | conclusiuncularum, conclusiunculum |
| Dativ | conclusiunculai, conclusiunculae | conclusiunculis, conclusiunculabus |
| Akkusativ | conclusiunculam | conclusiunculas |
| Ablativ | conclusiuncula, conclusiunculad | conclusiunculis, conclusiunculabus |
| Vokativ | conclusiuncula | conclusiunculae |