Nimmer's LetterTris is a tetris-clone with letters which have to be stacked so that they build words. In 3+1 (add your own) languages. Shareware $20. 30 days trial. By NimmerSoft.
Nimmers LetterTris is the Shareware version. The full version can be purchased by clicking on the "CLICK HERE TO ORDER" button below for around 20.00USD.