Locate the install path to the wordjolt, and locate the word file in here: 
C:\Program Files\GameHouse\WordJolt\data  Here, you should find the fle called 
word, open it, and you should see a lot of words, add the word, for example: 
bigbomber  Remember, use only in small letters. the more words you add, the 
more words available for the game.