| Ferritkern | Nominativ, Singular | nominative case, singular | |
| Ferritkern(e)s | Genitiv, Singular | genitive case, singular | |
| Ferritkern(e) | Dativ, Singular | dative case, singular | |
| Ferritkern | Akkusativ, Singular | accusative case, singular | |
| Ferritkerne | Nominativ, Plural | nominative case, plural | |
| Ferritkerne | Genitiv, Plural | genitive case, plural | |
| Ferritkernen | Dativ, Plural | dative case, plural | |
| Ferritkerne | Akkusativ, Plural | accusative case, plural |