| Singular | Plural | |
|---|---|---|
| Nominativ | thermaeum, therma | therme, thermae |
| Genitiv | thermai, therme, thermae | thermum, thermarum |
| Dativ | thermai, therme, thermae | thermisque, thermabus, thermis |
| Akkusativ | thermam | thermas |
| Ablativ | thermaeum, therma, thermad | thermis, thermisque, thermabus |
| Vokativ | thermaeum, therma | thermae, therme |