| Singular | Plural | |
|---|---|---|
| Nominativ | ahenum, ahenom | ahena |
| Genitiv | aheni | ahenorum |
| Dativ | aheno, ahenobarbo, ahenobarborum, ahenobarbum, ahenobarbus | ahenis |
| Akkusativ | ahenum | ahena |
| Ablativ | aheno, ahenobarbo, ahenobarborum, ahenobarbum, ahenobarbus | ahenis |
| Vokativ | ahenum | ahena |