| Singular | Plural | |
|---|---|---|
| Nominativ | chorioides | chorioidae |
| Genitiv | chorioidai, chorioidae | chorioidum, chorioidarum |
| Dativ | chorioidae, chorioidai | chorioidabus, chorioidis |
| Akkusativ | chorioidam, chorioiden | chorioidas |
| Ablativ | chorioide, chorioida | chorioidabus, chorioidis |
| Vokativ | chorioide, chorioida | chorioidae |