| Singular | Plural | |
|---|---|---|
| Nominativ | instantiaque, instantia | instantiae |
| Genitiv | instantiae, instantiai | instantiarum |
| Dativ | instantiae, instantiai | instantiis, instantiabus |
| Akkusativ | instantiam | instantias |
| Ablativ | instantiad, instantiaque, instantia | instantiabus, instantiis |
| Vokativ | instantiaque, instantia | instantiae |