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