| Nederlands | nld-000 |
| ijzersterk | |
| беларуская | bel-000 | жалезны |
| brezhoneg | bre-000 | dir |
| brezhoneg | bre-000 | divrall |
| brezhoneg | bre-000 | strizh |
| Deutsch | deu-000 | bärenstark |
| Deutsch | deu-000 | eisern |
| English | eng-000 | cast iron |
| English | eng-000 | iron |
| English | eng-000 | reinforced |
| English | eng-000 | strong |
| Esperanto | epo-000 | fera |
| Esperanto | epo-000 | fortikega |
| Esperanto | epo-000 | sanega |
| français | fra-000 | de fer |
| français | fra-000 | implacable |
| français | fra-000 | strict |
| français | fra-000 | vigoureux |
| français | fra-000 | énergique |
| magyar | hun-000 | vas- |
| Limburgs | lim-000 | iezersjterk |
| Nederlands | nld-000 | ijzer- |
| Nederlands | nld-000 | ijzeren |
| polski | pol-000 | anielski |
| polski | pol-000 | nieugięty |
| polski | pol-000 | twardy |
| polski | pol-000 | żelazny |
| русский | rus-000 | железный |
| español | spa-000 | de hierro |
| Volapük | vol-000 | lelik |