| Testfallmatrix | Nominativ, Singular | nominative case, singular | |
| Testfallmatrixe | Genitiv, Singular | genitive case, singular | |
| Testfallmatrixen | Dativ, Singular | dative case, singular | |
| Testfallmatrix(e)s | Akkusativ, Singular | accusative case, singular | |
| Testfallmatrixer | Nominativ, Plural | nominative case, plural | |
| Testfallmatrixern | Genitiv, Plural | genitive case, plural | |
| Testfallmatrixn | Dativ, Plural | dative case, plural |