| Singular | Plural | |
|---|---|---|
| Nominativ | extasis | extasis, extases |
| Genitiv | extasis, extasos | extasum, extasium |
| Dativ | extasi, extase | extasibus |
| Akkusativ | extasa, extasem, extasim, extasin | extasas, extaseis, extases, extasis |
| Ablativ | extasi, extase | extasibus |
| Vokativ | extasis | extases |
