Yes, kilns is a Scrabble word!
...and is worth 9 points in Scrabble, and 11 points in Words with Friends
kilns
Noun
1. A furnace for firing or burning or drying such things as porcelain or bricks
What Scrabble words can I make with the letters in kilns?
5 Letter Words
4 Letter Words
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3 Letter Words
2 Letter Words