| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | cidonio | cidonioj |
| Accusative | cidonion | cidoniojn |
| Catalan | codony |
|---|---|
| Czech | kdoule |
| Dutch | kweepeer |
| English | quince |
| French | coing |
| German | Quitte |
| Portuguese | marmelo |
| Saterland Frisian | Quitte |
| Spanish | membrillo |