| Nominativ | semigermanum, semigermanum, semigermana, semigermanus, semigermanus, semigermana | semigermanae, semigermanae, semigermani, semigermana, semigermani, semigermana |
| Genitiv | semigermanae, semigermani, semigermani, semigermani, semigermani, semigermanae | semigermanorum, semigermanorum, semigermanorum, semigermanorum, semigermanarum, semigermanarum |
| Dativ | semigermanae, semigermano, semigermano, semigermano, semigermano, semigermanae | semigermanis, semigermanis |
| Akkusativ | semigermanam, semigermanam, semigermanum, semigermanum, semigermanum, semigermanum | semigermana, semigermanos, semigermanos, semigermanas, semigermanas, semigermana |
| Ablativ | semigermano, semigermano, semigermano, semigermana, semigermana, semigermano | semigermanis, semigermanis |
| Vokativ | semigermane, semigermanum, semigermanum, semigermane, semigermana, semigermana | semigermanae, semigermanae, semigermani, semigermana, semigermani, semigermana |
