| Singular | Plural | |
|---|---|---|
| Nominativ | collega, collegaeque | collegae |
| Genitiv | collegae, collegai | collegarum, collegarumque, collegum |
| Dativ | collegai, collegae | collegabus, collegis, collegisque |
| Akkusativ | collegam, collegamque | collegas, collegasque |
| Ablativ | collega, collegad, collegaeque | collegabus, collegis, collegisque |
| Vokativ | collega, collegaeque | collegae |