| Elementbasis | Nominativ, Singular | nominative case, singular | |
| Elementbasise | Genitiv, Singular | genitive case, singular | |
| Elementbasisen | Dativ, Singular | dative case, singular | |
| Elementbasis(e)s | Akkusativ, Singular | accusative case, singular | |
| Elementbasiser | Nominativ, Plural | nominative case, plural | |
| Elementbasisern | Genitiv, Plural | genitive case, plural | |
| Elementbasisn | Dativ, Plural | dative case, plural |