| Nominativ | congermanus, congermana, congermana, congermanus, congermanum, congermanum | congermani, congermani, congermana, congermana, congermanae, congermanae |
| Genitiv | congermani, congermani, congermani, congermani, congermanae, congermanae | congermanorum, congermanorum, congermanorum, congermanorum, congermanarum, congermanarum |
| Dativ | congermano, congermano, congermano, congermano, congermanae, congermanae | congermanis, congermanis |
| Akkusativ | congermanum, congermanum, congermanum, congermanam, congermanam, congermanum | congermana, congermana, congermanos, congermanos, congermanas, congermanas |
| Ablativ | congermana, congermana, congermano, congermano, congermano, congermano | congermanis, congermanis |
| Vokativ | congermana, congermana, congermanum, congermane, congermane, congermanum | congermani, congermani, congermana, congermana, congermanae, congermanae |
