Add Custom word in Spell Checker Dictionary for Site Collection

Add Custom word in Spell Checker Dictionary for Site Collection
To create a custom dictionary to supplement the dictionaries included in SharePoint,
1. Create a document library named “Spelling” in the top-level site of your portal’s site collection.
2. Create "Custom Dictionary.txt" on your desktop.
3. Add desired word(s) on new line and Save the file
4. Upload a text file named “Custom Dictionary.txt”.


Note:
1. Only one Custom Dictionary.txt file is supported for a site collection.
2. Words of any language supported by your site can be added to the Custom Dictionary.txt file.

Done !!!