Find Synonyms of Words using C# and GroupDocs.Search .NET API
GroupDocs.Search
GroupDocs.Search provides the .NET API that allows finding synonyms of any word. It also allows searching that word and all its synonyms in multiple documents within a folder. It supports different search techniques to search over a large list of document formats.
You can download the DLLs or MSI installer from the downloads section or install the API in your .NET application via NuGet.