Vocaboly 

Vocaboly is a learning software for English vocabulary, especially for TOEFL, GMAT, GRE, SAT test takers, through many learning methods, including test and game, memorizing will be much easier and more efficient, above all it's fun.
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English Word Builder 

English Word Builder 2.0 is a word search puzzles game for teaching English spelling and vocabulary through word building from a collection of letters. It has hundreds of built-in common English words available using Timer based online word games.
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A1 HangWord 

A1 HangWord - Free word games ! This is an fun Hang-man type Word Builder game for teaching children English vocabulary, Words and Spelling. The aim of the free spelling games is to create the given word before the guesses runs out.
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Word Matrix, The 

Search matrix of letters for words within timeframe (or no limit). Points awarded for each word found based on length, plus bonus points for 'QU' words or color tiles. Multi-player mode allows for up to 9 online and split/speed scoring rounds.
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AlphaConX 

Highly addictive multi-player puzzle word game. Plays similar to the classic Connect Four game except you try to make four letter words to win. You may play the computer, or challenge a friend over your network, or play on the internet.
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