| Durchdachtheit | Nominativ, Singular | nominative case, singular | |
| Durchdachtheite | Genitiv, Singular | genitive case, singular | |
| Durchdachtheiten | Dativ, Singular | dative case, singular | |
| Durchdachtheit(e)s | Akkusativ, Singular | accusative case, singular | |
| Durchdachtheiter | Nominativ, Plural | nominative case, plural | |
| Durchdachtheitern | Genitiv, Plural | genitive case, plural | |
| Durchdachtheitn | Dativ, Plural | dative case, plural |