Prized Syzygy Achievement
Score two Triple Letter Bonus Tiles with a single word.
This achievement requires that you complete a word with two of the letters placed on a Triple Letter Bonus Tile. These bonus tiles are dark green and are marked by "TL." There are several locations in the board where these tiles are close together. Along the sides of the board, the scoring word can be as short as three letters, and five letters near the middle of the board. Just use the solver website to come up with a connecting word that spans two of the bonus tiles.