This project provide implementations of spellcheckers in java language. Spellchecker implementations for TinyMCE based on Jazzy and google-spellchecker-service Authors: Rich Irwin, Andrey Chorniy
You may see integration details here
https://achorniy.wordpress.com/2009/08/11/tinymce-spellchecker-in-java/
and here https://achorniy.wordpress.com/tag/spellchecker/