| Graphitkohle | Nominativ, Singular | nominative case, singular | |
| Graphitkohle | Genitiv, Singular | genitive case, singular | |
| Graphitkohle | Dativ, Singular | dative case, singular | |
| Graphitkohle | Akkusativ, Singular | accusative case, singular | |
| Graphitkohlen | Nominativ, Plural | nominative case, plural | |
| Graphitkohlen | Genitiv, Plural | genitive case, plural | |
| Graphitkohlen | Dativ, Plural | dative case, plural | |
| Graphitkohlen | Akkusativ, Plural | accusative case, plural |