| Romániço | art-013 |
| certana | |
| dansk | dan-000 | sikker |
| Deutsch | deu-000 | sicher |
| English | eng-000 | certain |
| English | eng-000 | sure |
| Esperanto | epo-000 | certa |
| français | fra-000 | certain |
| français | fra-000 | sûr |
| Ido | ido-000 | certa |
| interlingua | ina-000 | certe |
| interlingua | ina-000 | secur |
| italiano | ita-000 | certo |
| Nederlands | nld-000 | zeker |
| español | spa-000 | seguro |
| svenska | swe-000 | säker |