| Part of speech | common noun |
|---|---|
| Hyphenation | dub·o |
| Singular | Plural | |
|---|---|---|
| Nominative | dubo | duboj |
| Accusative | dubon | dubojn |
| Afrikaans | twyfel |
|---|---|
| Danish | tvivl |
| Dutch | twijfel; twijfeling |
| English | doubt |
| English (Old English) | tweo |
| Faeroese | ivi |
| French | doute |
| German | Bedenken; Zweifel |
| Icelandic | efi |
| Latin | dubium |
| Malay | bimbang |
| Portuguese | dúvida; incerteza |
| Saterland Frisian | Betoank; Twieuwel |
| Scots | dout |
| West Frisian | twivel |