| Part of speech | unknown part of speech |
|---|
| Nominative | pioniro |
|---|---|
| Accusative | pioniron |
| Catalan | pioner |
|---|---|
| Danish | pioner |
| Dutch | baanbreker; geniesoldaat; genist; pionier; voortrekker |
| English | pioneer; engineer |
| Faeroese | slóðbrótari |
| French | pionnier |
| German | Bahnbrecher; Pionier |
| Greek | πρωτοπόρος |
| Italian | iniziatore; pioniere |
| Papiamento | pionero |
| Portuguese | bandeirante; pioneiro; precursor |
| Saterland Frisian | Boanbreeker; Pionier |
| Spanish | colonizador; gastador; vanguardista |
| Swedish | pionjär; pionär |
| West Frisian | paadsljochter |