How can I delete/edit a word from the dictionary?

Both WProofreader and SCAYT plugin for CKEditor version 4.7.0+ have a separate user interface features for the advanced personal dictionary management. Using this interface you can add or delete words from the dictionary. Although such functionality is not available in the WSC Dialog plugin for CKEditor 4.

Deleting a word in dictionary in WProofreader

To delete a word from a personal dictionary: 

1. Start WProofreader in your web app.
2. Navigate to Dictionaries tab of the Settings dialog. 
3. Connect the desired dictionary or view the words of the currently used dictionary located under the Enter new word area. 

Navigate to the list of words in the lower part of the screen and click   icon near the word you want to delete.

Deleting a word in SCAYT plugin for CKEditor 4

To delete a word from a personal dictionary: 

1. Click the ABC icon and select Dictionaries from the drop-down list. 
2. In the Dictionaries tab that opens, navigate to the desired word in the lower part of the screen and click   icon near it. 

If you need to delete a word from a dictionary other than selected one, follow the procedure of connecting a dictionary described in Where can I see a full list of words added to the dictionary? section.