| Part of speech | unknown part of speech |
|---|
| Nominative | rabarbo |
|---|---|
| Accusative | rabarbon |
| Catalan | ruibarbre |
|---|---|
| Czech | rebarbora; reveň |
| Danish | rabarber |
| Dutch | rabarber |
| English | rhubarb |
| Faeroese | rabarba |
| Finnish | raparperi; rapaperi |
| French | rhubarbe |
| German | Rhabarber |
| Greek | ραβέντι; ρήον |
| Norwegian | rabarbra |
| Polish | rabarbar |
| Portuguese | ruibarbo |
| Russian | ревень |
| Spanish | ruibarbo |
| Swedish | rabarber |
| Thai | รูบาร์บ |
| Turkish | ravent |
| West Frisian | rabarber |