WordSolver Android App!Yes, yay is a Scrabble word!
...and is worth 9 points in Scrabble, and 7 points in Words with Friends
yay
Noun
1. A branch of the Tai languages
What Scrabble words can I make with the letters in yay?
2 Letter Words
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Words that can be created with an extra letter added to yay:
S:yays