| Singular | Plural | |
|---|---|---|
| Nominativ | institutumque, institutia, institutom, institutum | instituta, institutaque |
| Genitiv | instituti | institutorum, institutorumque |
| Dativ | instituto, institutoque | institutis, institutisque, istitutis |
| Akkusativ | institutumque, institutum | instituta, institutaque |
| Ablativ | instituto, institutia, institutoque | institutis, institutisque, istitutis |
| Vokativ | institutumque, institutia, institutum | instituta, institutaque |