| Oktalcode | Nominativ, Singular | nominative case, singular | |
| Oktalcod(e)es | Genitiv, Singular | genitive case, singular | |
| Oktalcod(e)e | Dativ, Singular | dative case, singular | |
| Oktalcode | Akkusativ, Singular | accusative case, singular | |
| Oktalcodee | Nominativ, Plural | nominative case, plural | |
| Oktalcodee | Genitiv, Plural | genitive case, plural | |
| Oktalcodeen | Dativ, Plural | dative case, plural | |
| Oktalcodee | Akkusativ, Plural | accusative case, plural |