| interlingua | ina-000 |
| plan | |
| Romániço | art-013 | plana |
| беларуская | bel-000 | зразумелы |
| Deutsch | deu-000 | verständlich |
| ελληνικά | ell-000 | ισιος |
| ελληνικά | ell-000 | λειος |
| English | eng-000 | clear |
| English | eng-000 | even |
| English | eng-000 | flat |
| English | eng-000 | level |
| English | eng-000 | perspicuous |
| English | eng-000 | plain |
| English | eng-000 | plane |
| English | eng-000 | smooth |
| Esperanto | epo-000 | ebena |
| Esperanto | epo-000 | klara |
| français | fra-000 | apparent |
| français | fra-000 | clair |
| français | fra-000 | limpide |
| Ido | ido-000 | plana |
| interlingua | ina-000 | clar |
| interlingua | ina-000 | comprensive |
| interlingua | ina-000 | evidente |
| interlingua | ina-000 | perspicue |
| interlingua | ina-000 | platte |
| italiano | ita-000 | chiaro |
| italiano | ita-000 | espressamente |
| italiano | ita-000 | mappa |
| italiano | ita-000 | pianeggiante |
| italiano | ita-000 | piano |
| polski | pol-000 | płaski |
| polski | pol-000 | zrozumiały |
| português | por-000 | luzente |
| русский | rus-000 | плоский |
| русский | rus-000 | плоскостной |
| русский | rus-000 | понятный |
| русский | rus-000 | ровность |
| русский | rus-000 | ровный |
| español | spa-000 | accesible |
| español | spa-000 | comprensible |
| español | spa-000 | entendible |
| español | spa-000 | inteligible |
| español | spa-000 | llano |
| Türkçe | tur-000 | anlaşılır |
| Türkçe | tur-000 | açık |
| українська | ukr-000 | зрозумілий |
| oʻzbek | uzn-000 | aniq |
| ייִדיש | ydd-000 | פֿאַרשטענדלעך |
| ייִדיש | ydd-000 | קלאָר |