You may ask how can you become a good word game player. Well at some point, you can't help but learn words. It's a fastidious work but it's the price to pay if you really want to become an expert.
In this website we offer you to learn specific words and you will find words sorted by first letter. You may focus on letters that are uncommon like J, K, Q, X, Z since they are also the one that can make the difference (especially in scrabble-like game where they are usually high value letters).