| English | eng-000 |
| flintiness | |
| العربية | arb-000 | القسوة |
| 普通话 | cmn-000 | 冷酷 |
| 普通话 | cmn-000 | 坚硬 |
| 普通话 | cmn-000 | 燧石质 |
| 國語 | cmn-001 | 堅硬 |
| 國語 | cmn-001 | 燧石質 |
| Deutsch | deu-000 | Härte |
| ελληνικά | ell-000 | σκληρότητα |
| English | eng-000 | bristliness |
| English | eng-000 | cruelty |
| English | eng-000 | crustiness |
| English | eng-000 | fellness |
| English | eng-000 | hardness |
| English | eng-000 | inclemency |
| English | eng-000 | relentlessness |
| English | eng-000 | stoniness |
| English | eng-000 | toughness |
| yn Ghaelg | glv-000 | claghaght |
| yn Ghaelg | glv-000 | creoiys |
| italiano | ita-000 | durezza |
| español | spa-000 | pedernal |
| tiếng Việt | vie-000 | sự rắn như đá |
| tiếng Việt | vie-000 | tính chất rắn |