| Singular | Plural | |
|---|---|---|
| Nominativ | conchuela | conchuelae |
| Genitiv | conchuelae, conchuelai | conchuelarum, conchuelum |
| Dativ | conchuelae, conchuelai | conchuelis, conchuelabus |
| Akkusativ | conchuelam | conchuelas |
| Ablativ | conchuela, conchuelad | conchuelis, conchuelabus |
| Vokativ | conchuela | conchuelae |