| Äthernarkose | Nominativ, Singular | nominative case, singular | |
| Äthernarkose | Genitiv, Singular | genitive case, singular | |
| Äthernarkose | Dativ, Singular | dative case, singular | |
| Äthernarkose | Akkusativ, Singular | accusative case, singular | |
| Äthernarkosen | Nominativ, Plural | nominative case, plural | |
| Äthernarkosen | Genitiv, Plural | genitive case, plural | |
| Äthernarkosen | Dativ, Plural | dative case, plural | |
| Äthernarkosen | Akkusativ, Plural | accusative case, plural |