| Esperanto | epo-000 |
| principa | |
| Afrikaans | afr-000 | beginselvas |
| dansk | dan-000 | principiel |
| English | eng-000 | basic |
| English | eng-000 | firm in one’s principle |
| English | eng-000 | firm in one’s principles |
| English | eng-000 | fundamental |
| Esperanto | epo-000 | baza |
| Esperanto | epo-000 | esenca |
| Esperanto | epo-000 | ĉefa |
| français | fra-000 | essentiel |
| français | fra-000 | principal |
| italiano | ita-000 | basilare |
| 日本語 | jpn-000 | 原則的な |
| Nederlands | nld-000 | beginselvast |
| Nederlands | nld-000 | principieel |
| polski | pol-000 | kardynalny |
| русский | rus-000 | принципиальный |