Aspose.SpellBy Aspose Pty Ltd : Oxford english dictionary
Aspose.Spell is a .NET, multilingual, Spell checking component that enables .Net applications to check spelling in over 20 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), Irish(IE), Italian(IT), ...