Yes, coigne is a Scrabble word!
...and is worth 9 points in Scrabble, and 12 points in Words with Friends
coigne
Noun
1. Expandable metal or wooden wedge used by printers to lock up a form within a chase
2. The keystone of an arch
What Scrabble words can I make with the letters in coigne?
5 Letter Words
4 Letter Words
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3 Letter Words
2 Letter Words