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