| Säureechtheit | Nominativ, Singular | nominative case, singular | |
| Säureechtheite | Genitiv, Singular | genitive case, singular | |
| Säureechtheiten | Dativ, Singular | dative case, singular | |
| Säureechtheit(e)s | Akkusativ, Singular | accusative case, singular | |
| Säureechtheiter | Nominativ, Plural | nominative case, plural | |
| Säureechtheitern | Genitiv, Plural | genitive case, plural | |
| Säureechtheitn | Dativ, Plural | dative case, plural |