Aspose.Spell is a .Net multilingual spell checking component. With it, you can:

Check spelling in 23 languages, including Afrikaans(ZA), Catalan(ES), Danish(DK), Dutch(NL), English(AU), English(NZ), English(US), English(UK), Faroese(FO), French(FR), Galician(ES), Germany(DE), Greek(GR), Interlingua(IA), Irish(IE), Italian(IT), Latin(LA), Norwegian(NO), Polish(PL), Portuguese(PT), Russian(RU), Spanish(ES) and Swedish(SE).
Build affix dictionaries by youself and then use them together with main dictionaries or independently.
Create custom dictionaries by your users and then store custom dictionaries either in flat text files or databases from any .Net data provider, such as Microsoft Access, SQL Server, etc.
Customize your own Web spell checker in minutes from fully-featured demos both in C# and Visual Basic .Net, integrated with HtmlTextArea from Microsoft .Net Framework, Html TextBox from http://www.activeup.com and RichTextBox from http://www.richtextbox.com.
Customize your own Windows spell checker in minutes from fully-featured demos both in C# and Visual Basic .Net, integrated with RichTextBox from Microsoft .Net Framework.

Aspose.Spell Free Download spell Spelling checker checking Main Dictionary Affix Custom text database multilingual Danish Dutch English English Germany French Italian Polish Portuguese Russian Spanish Swedish dotnet .Net C# VB Visual Basic