| polski | pol-000 |
| ulepszenie | |
| العربية | arb-000 | تحسن |
| العربية | arb-000 | تحسين |
| čeština | ces-000 | vylepšení |
| dansk | dan-000 | forbedring |
| Deutsch | deu-000 | Verbesserung |
| Deutsch | deu-000 | Verfeinerung |
| English | eng-000 | amelioration |
| English | eng-000 | betterment |
| English | eng-000 | enhancement |
| English | eng-000 | improve |
| English | eng-000 | improvement |
| English | eng-000 | melioration |
| English | eng-000 | upgrade |
| English | eng-000 | upgrading |
| Esperanto | epo-000 | plibeligo |
| Esperanto | epo-000 | plibonigo |
| Esperanto | epo-000 | pliboniĝo |
| italiano | ita-000 | miglioramento |
| polski | pol-000 | doskonalenie |
| polski | pol-000 | udoskonalenie |
| polski | pol-000 | ulepszanie |
| русский | rus-000 | усовершенствование |
| svenska | swe-000 | förbättring |