| Singular | Plural | |
|---|---|---|
| Nominativ | alcyoneom, alcyoneum | alcyonea |
| Genitiv | alcyonei | alcyoneorum, alcyoneum |
| Dativ | alcyoneo | halcyoneis, alcyoneis |
| Akkusativ | alcyoneum | alcyonea |
| Ablativ | alcyoneo | halcyoneis, alcyoneis |
| Vokativ | alcyoneum | alcyonea |
12 (16) Formen für „alcyoneum“