| Nominativ | congregus, congrega, congrega, congregus, congregum, congregum | congregi, congregi, congrega, congrega, congregae, congregae |
| Genitiv | congregi, congregi, congregi, congregi, congregae, congregae | congregorum, congregorum, congregorum, congregorum, congregarum, congregarum |
| Dativ | congrego, congrego, congrego, congrego, congregae, congregae | congregis, congregis |
| Akkusativ | congregum, congregum, congregum, congregum, congregam, congregam | congrega, congrega, congregos, congregos, congregas, congregas |
| Ablativ | congrega, congrega, congrego, congrego, congrego, congrego | congregis, congregis |
| Vokativ | congrege, congregum, congrega, congrega, congrege, congregum | congregi, congregi, congrega, congrega, congregae, congregae |
