| Esperanto | epo-000 |
| dura | |
| العربية | arb-000 | خشن |
| العربية | arb-000 | شاق |
| العربية | arb-000 | شديد |
| العربية | arb-000 | شظف |
| العربية | arb-000 | صعب |
| العربية | arb-000 | صلب |
| العربية | arb-000 | عزيز |
| العربية | arb-000 | عصيب |
| العربية | arb-000 | قاس |
| Romániço | art-013 | dura |
| Lingwa de Planeta | art-287 | twerde |
| Sambahsa-mundialect | art-288 | kaurd |
| català | cat-000 | dur |
| dansk | dan-000 | hård |
| Deutsch | deu-000 | fest |
| Deutsch | deu-000 | hart |
| ελληνικά | ell-000 | σκληρός |
| English | eng-000 | adamant |
| English | eng-000 | firm |
| English | eng-000 | hard |
| English | eng-000 | major |
| English | eng-000 | tough |
| Esperanto | epo-000 | akra |
| Esperanto | epo-000 | intensa |
| Esperanto | epo-000 | malmola |
| Esperanto | epo-000 | malsofta |
| Esperanto | epo-000 | rigida |
| Esperanto | epo-000 | sekse intensa |
| euskara | eus-000 | gogor |
| français | fra-000 | dur |
| Frysk | fry-000 | huord |
| hrvatski | hrv-000 | tvrd |
| magyar | hun-000 | kemény |
| Ido | ido-000 | harda |
| interlingua | ina-000 | dur |
| íslenska | isl-000 | harður |
| italiano | ita-000 | aspro |
| italiano | ita-000 | duro |
| italiano | ita-000 | hard |
| italiano | ita-000 | sòdo |
| 日本語 | jpn-000 | 硬い |
| latine | lat-000 | durus |
| lietuvių | lit-000 | kietas |
| Nederlands | nld-000 | hard |
| nynorsk | nno-000 | hard |
| bokmål | nob-000 | hard |
| bokmål | nob-000 | hård |
| Novial | nov-000 | solid |
| नेपाली | npi-000 | दरिलो |
| नेपाली | npi-000 | दरो |
| नेपाली | npi-000 | दह्रो |
| नेपाली | npi-000 | दिगो |
| polski | pol-000 | twardy |
| português | por-000 | duro |
| русский | rus-000 | жёсткий |
| русский | rus-000 | суровый |
| русский | rus-000 | твердый |
| русский | rus-000 | твёрдый |
| slovenčina | slk-000 | tvrdý |
| español | spa-000 | duro |
| српски | srp-000 | тврд |
| Fräiske Sproake | stq-000 | häd |
| svenska | swe-000 | hård |
| тоҷикӣ | tgk-000 | сақт |
| українська | ukr-000 | жорсткий |
| українська | ukr-000 | твердий |
| ייִדיש | ydd-000 | האַרט |