By default, RadSpellChecker offers one dictionary: English (en-US). All other dictionaries are provided by our customers and can be downloaded from the links below (ordered by culture code):
Afrikaans (South Africa) (af-ZA)
Bulgarian (Bulgaria) (bg-BG)
Czech (Czech Republic) (cs-CZ)
Danish (Denmark) (da-DK)
German (Switzerland) (de-CH)
German (Germany) (de-DE)
English (Australia) (en-AU)
English (Canada) (en-CA)
English (United Kingdom) (en-GB)
English (United States) (en-US)
Spanish (Spain) (es-ES)
Persian (Iran) (fa-IR)
French (Canada) (fr-CA)
French (France) (fr-FR)
Hebrew (Israel) (he-IL)
Hungarian (Hungary) (hu-HU)
Italian (Italy) (it-IT)
Norwegian, Bokmal (Norway) (nb-NO)
Dutch (Netherlands) (nl-NL)
Norwegian, Nynorsk (Norway) (nn-NO)
Polish (Poland) (pl-PL)
Portuguese (Brazil) (pt-BR)
Portuguese (Portugal) (pt-PT)
Romanian (Romania) (ro-RO)
Russian (Russia) (ru-RU)
Slovak (Slovakia) (sk-SK)
Slovenian (Slovenia) (sl-SI)
Swedish (Sweden) (sv-SE)
Thai (Thailand) (th-TH)
Ukrainian (Ukraine) (uk-UA)
Please note that some of the dictionaries can be incomplete and they are not supported by Telerik. If you create a new properly working dictionary and share it with our community, we will gladly award you for your work.