# Synonym Lists

> Add thesaurus files to a WPF app: the .dat and .idx pair in SynonymLists, 23 more languages to download, SynonymLanguage (Auto) and SynonymList in code.

- **Product:** TX Spell .NET for WPF
- **Section:** Documentation
- **Kind:** Topic
- **Path:** TX Spell .NET for WPF > Synonyms and Thesaurus > Synonym Lists
- **Web URL:** https://docs.textcontrol.com/tx-spell-dotnet-wpf/synonyms/lists/
- **LLMs URL:** https://docs.textcontrol.com/tx-spell-dotnet-wpf/synonyms/lists/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-spell-dotnet-wpf/synonyms/lists/llms-full.txt

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## On This Page

- [What a Synonym List Is](https://docs.textcontrol.com/tx-spell-dotnet-wpf/synonyms/lists/#what-a-synonym-list-is)
- [Where the Files Are](https://docs.textcontrol.com/tx-spell-dotnet-wpf/synonyms/lists/#where-the-files-are)
- [Get Lists for Other Languages](https://docs.textcontrol.com/tx-spell-dotnet-wpf/synonyms/lists/#get-lists-for-other-languages)
- [How a List Is Chosen](https://docs.textcontrol.com/tx-spell-dotnet-wpf/synonyms/lists/#how-a-list-is-chosen)
- [Load a List in Code](https://docs.textcontrol.com/tx-spell-dotnet-wpf/synonyms/lists/#load-a-list-in-code)
- [Lists in the User Interface](https://docs.textcontrol.com/tx-spell-dotnet-wpf/synonyms/lists/#lists-in-the-user-interface)
- [Next Steps](https://docs.textcontrol.com/tx-spell-dotnet-wpf/synonyms/lists/#next-steps)

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## Nearby

- **Previous:** [Synonyms and Thesaurus](https://docs.textcontrol.com/tx-spell-dotnet-wpf/synonyms/llms.txt)
- **Next:** [Synonyms in the Context Menu](https://docs.textcontrol.com/tx-spell-dotnet-wpf/synonyms/context-menu/llms.txt)