| Investition | Nominativ, Singular | nominative case, singular | |
| Investitions | Genitiv, Singular | genitive case, singular | |
| Investition | Dativ, Singular | dative case, singular | |
| Investition | Akkusativ, Singular | accusative case, singular | |
| Investitionen | Nominativ, Plural | nominative case, plural | |
| Investitionen | Genitiv, Plural | genitive case, plural | |
| Investitionen | Dativ, Plural | dative case, plural | |
| Investitionen | Akkusativ, Plural | accusative case, plural |