| íslenska | isl-000 |
| ferhyrningur | |
| dansk | dan-000 | firkant |
| Deutsch | deu-000 | Viereck |
| ελληνικά | ell-000 | τετράπλευρο |
| English | eng-000 | quadrilateral |
| English | eng-000 | square |
| Esperanto | epo-000 | tetragono |
| français | fra-000 | carré |
| français | fra-000 | quadrangle |
| hrvatski | hrv-000 | četverokut |
| magyar | hun-000 | négyszög |
| italiano | ita-000 | quadrangolo |
| italiano | ita-000 | tetragono |
| қазақ | kaz-000 | төртбұрыш |
| polski | pol-000 | czworokąt |
| português | por-000 | quadrilátero |
| русский | rus-000 | квадрат |
| русский | rus-000 | четырёхугольник |
| español | spa-000 | cuadrángulo |
| svenska | swe-000 | fyrhörning |
| svenska | swe-000 | fyrkant |
| svenska | swe-000 | tetragon |
| Volapük | vol-000 | follien |