Yes, shyly is a Scrabble word!
...and is worth 14 points in Scrabble, and 12 points in Words with Friends
shyly
Adverb
1. In a shy or timid or bashful manner
What Scrabble words can I make with the letters in shyly?
3 Letter Words
2 Letter Words
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Words that can be created with an extra letter added to shyly:
P:sylphy