| Catalan | quadrilàter |
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| Czech | čtyřúhelník |
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| Danish | firkant |
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| English | quadrangle; tetragon |
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| Esperanto | kvarangulo; kvarlatero |
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| Finnish | nelikulmio; tetragoni |
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| French | quadrilatère; tétragone; tétrapleure |
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| German | Viereck; Tetragon; Quadrangel; Quadrilateral |
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| Greek | τετράπλευρο |
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| Hungarian | négyszög |
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| Icelandic | ferhyrningur |
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| Italian | quadrilatero |
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| Latin | tetragonum |
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| Malay | segi empat |
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| Norwegian | firkant; kvadrilateral; kvadrangel; tetragon |
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| Papiamento | virhuk |
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| Polish | czworokąt |
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| Portuguese | quadrângulo; quadrilátero |
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| Romanian | patrulater |
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| Russian | четырёхугольник |
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| Scottish Gaelic | ceithir‐cheàrnach |
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| Spanish | cuadrilátero; tetrágono |
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| Swahili | pembenne |
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| Swedish | fyrhörning |
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| Tagalog | apatang‐gilid; kuwadriláteral |
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| Thai | รูปสี่เหลี่ยม |
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| Turkish | dörtgen |
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| Welsh | pedrongl |
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| West Frisian | fjouwerhoeke |
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