| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | dubinda | dubindaj |
| Accusative | dubindan | dubindajn |
| Dutch | discutabel; dubieus; twijfelachtig |
|---|---|
| English | doubtful; dubious; questionable; shonky |
| German | zweifelhaft; fragwürdig |
| Greek | αβέβαιος |
| Portuguese | que merece dúvidas |
| Swedish | tvivelaktig |