| Realproblem | Nominativ, Singular | nominative case, singular | |
| Realproblem(e)s | Genitiv, Singular | genitive case, singular | |
| Realproblem(e) | Dativ, Singular | dative case, singular | |
| Realproblem | Akkusativ, Singular | accusative case, singular | |
| Realprobleme | Nominativ, Plural | nominative case, plural | |
| Realprobleme | Genitiv, Plural | genitive case, plural | |
| Realproblemen | Dativ, Plural | dative case, plural | |
| Realprobleme | Akkusativ, Plural | accusative case, plural |