If you need to delete the additional dictionary for a language, you can do so on the Speller Engine Manager Tab of the Spell Driver Manager window.

To delete the additional dictionary for a language:

1. Select the language for which you want to delete the additional dictionary from the Language drop-down list on the Speller Engine Manager Tab of the Spell Checker Driver Manager window.
2. Click on the Additional Dictionary setting in the Property field.
3. Press the Delete button. This removes all of the words in the additional dictionary.