| Singular | Plural | |
|---|---|---|
| Nominativ | colegium, colegium | colegia, colegia |
| Genitiv | colegi, colegi, colegii, colegii | colegium, colegium, colegiorum, colegiorum |
| Dativ | colegio, colegio | colegiis, colegiis |
| Akkusativ | colegium, colegium | colegia, colegia |
| Ablativ | colegio, colegio | colegiis, colegiis |
| Vokativ | colegium, colegium | colegia, colegia |