Synonym: duopo
| Part of speech | common noun |
|---|---|
| Hyphenation | du·o |
| Singular | Plural | |
|---|---|---|
| Nominative | duo | duoj |
| Accusative | duon | duojn |
| Dutch | duo; paar; stel; tweetal |
|---|---|
| English | pair; couple |
| German | Anzahl von zwei |
| Hungarian | pár |
| Icelandic | par |
| Low German | pår |
| Norwegian | par |
| Papiamento | duo; par |
| Polish | para |
| Portuguese | par |
| Spanish | par; dúo |
| Swedish | duo; par |
| Thai | คู่ |
| West Frisian | pear; twatal |