| Graphitkola | Nominativ, Singular | nominative case, singular | |
| Graphitkola | Genitiv, Singular | genitive case, singular | |
| Graphitkola | Dativ, Singular | dative case, singular | |
| Graphitkola | Akkusativ, Singular | accusative case, singular | |
| Graphitkola | Nominativ, Plural | nominative case, plural | |
| Graphitkole | Genitiv, Plural | genitive case, plural | |
| Graphitkolen | Dativ, Plural | dative case, plural | |
| Graphitkole | Akkusativ, Plural | accusative case, plural |