| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | bubaĉo | bubaĉoj |
| Accusative | bubaĉon | bubaĉojn |
| Dutch | bengel; blaag; rekel; snotaap; straatbengel; vlegel |
|---|---|
| English | naughty boy; pickle |
| French | affreux jojo; gamin; morpion |
| German | Bengel; Schlingel; Lümmel |
| Portuguese | rapazola de má conduta |
| Spanish | muchacho travieso |