Simple enough. Go to Help & Options and click on Puzzle Language to change the language to anything you want. If you know a second language, then great it will fall to your advantage. You will need to play a full 2 minute game for this to count. Stick three letter words.
If you do not know any other language, then it is recommended that you use the word solver.
Image provided by StayonTarget.
WARNING: Use the Wordament Solver at your own risk. The developers haunt the leaderboards for anything suspicious. They will ban you if they suspect you have cheated and you will then no longer be able to get the achievements.
Wordament Solver - http://dev.360surface.net/Wordament/EnterBoard.aspx