| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | dietisto | dietistoj |
| Accusative | dietiston | dietistojn |
| Dutch | diëtist |
|---|---|
| English | dietitian |
| German | Diätiker; Diätspezialist |
| Portuguese | dietista |
| Spanish | dietista |
| West Frisian | dieetfoarskriuwer; diëtist |