| Singular | Plural | |
|---|---|---|
| Nominativ | fornacula | fornaculae |
| Genitiv | fornaculai, fornaculae | fornacularum, fornaculum |
| Dativ | fornaculai, fornaculae | fornaculis, fornaculabus |
| Akkusativ | fornaculam | fornaculas |
| Ablativ | fornacula, fornaculad | fornaculis, fornaculabus |
| Vokativ | fornacula | fornaculae |