| Singular | Plural | |
|---|---|---|
| Nominativ | diatriba | diatribae, diatribe |
| Genitiv | diatribae, diatribai, diatribe | diatribarum, diatribum |
| Dativ | diatribae, diatribai, diatribe | diatribabus, diatribis |
| Akkusativ | diatribam | diatribas |
| Ablativ | diatriba, diatribad | diatribabus, diatribis |
| Vokativ | diatriba | diatribae, diatribe |
12 (22) Formen für „diatriba“