Yes, screes is a Scrabble word!
...and is worth 8 points in Scrabble, and 9 points in Words with Friends
screes
Noun
1. A sloping mass of loose rocks at the base of a cliff
What Scrabble words can I make with the letters in screes?
6 Letter Words
5 Letter Words
4 Letter Words
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3 Letter Words
2 Letter Words