| Atomzerfall | Nominativ, Singular | nominative case, singular | |
| Atomzerfall(e)s | Genitiv, Singular | genitive case, singular | |
| Atomzerfall(e) | Dativ, Singular | dative case, singular | |
| Atomzerfall | Akkusativ, Singular | accusative case, singular | |
| Atomzerfalle | Nominativ, Plural | nominative case, plural | |
| Atomzerfalle | Genitiv, Plural | genitive case, plural | |
| Atomzerfallen | Dativ, Plural | dative case, plural | |
| Atomzerfalle | Akkusativ, Plural | accusative case, plural |