WordHacker is an e-learning software for GRE,GMAT,SAT,TOEFL with pronunciating and colorful root coding and illustrations of each word. It will help you understand and memorize English words quickly. WordHacker has collected 18165 words. The words are those recommended in the TOEFL word list, SAT 5000 word list, GRE Barron word list, and GRE word list based on test frequency. It features standard American pronunciation, colorful root, word illu..