| Singular | Plural | |
|---|---|---|
| Nominativ | extasis | extasis, extases |
| Genitiv | extasos, extasis | extasum, extasium |
| Dativ | extase, extasi | extasibus |
| Akkusativ | extasa, extasem, extasim, extasin | extasas, extaseis, extases, extasis |
| Ablativ | extase, extasi | extasibus |
| Vokativ | extasis | extases |
12 (23) Formen für „extasis“