Here is a complete and comprehensive list of all of the words that start with the letters SY. It is made up of 447 words of various lengths.
18.5 points in is the average score for a word from this list a game of Scrabble or Words With Friends.
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47 points is the largest score. This is attainable by playing the word CARBOXYMETHYLCELLULOSES.
If none of the words that begin with the letters SY work for you, try taking a look at our similar lists: words ending in SY, words with SY and words starting with different letters. If you are playing Wordle you can narrow the list down to the 5-letter words starting with SY.