| Singular | Plural | |
|---|---|---|
| Nominativ | atricapilla | atricapillae |
| Genitiv | atricapillae, atricapillai | atricapillum, atricapillarum |
| Dativ | atricapillae, atricapillai | atricapillis, atricapillabus |
| Akkusativ | atricapillam | atricapillas |
| Ablativ | atricapilla, atricapillad | atricapillis, atricapillabus |
| Vokativ | atricapilla | atricapillae |