| Singular | Plural | |
|---|---|---|
| Nominativ | conchicla | conchiclae |
| Genitiv | conchiclae, conchiclai | conchiclum, conchiclarum |
| Dativ | conchiclae, conchiclai | conchiclis, conchiclabus |
| Akkusativ | conchiclam | conchiclas |
| Ablativ | conchicla, conchiclad | conchiclis, conchiclabus |
| Vokativ | conchicla | conchiclae |