The crossword solution for the term USEFUL SCRABBLE TILE is ESS, which is a three-letter word. Scrabble is a popular board game in which players score points by forming words from individual lettered tiles. The tiles are placed on a board and each tile has a different point value. Some tiles are more useful than others, as they can be used to form more words and thus score more points. ESS is one of these useful tiles, as it can be used to form many words.