Steps to add personal words in the Co:writer Universal Chrome Extension:**
Highlight the word.
Right click the page and select Co:Writer.
Select "add personal word"
*Word online does not allow Co:Writer to use the right click menu.
**When you select text (highlight text) the new Google Docs format does not share the context of selected text with Co:writer. Without being able to see the text Co:Writer cannot create a personal word from Google Docs.