| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | balbutulo | balbutuloj |
| Accusative | balbutulon | balbutulojn |
| Dutch | hakkelaar; stamelaar; stotteraar |
|---|---|
| English | stammerer |
| French | bafouilleur; bègue |
| German | Stotterer; Stammler |
| Portuguese | gago; tartamudo |