The word glyoxalines is playable in Words With Friends™, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.
Words With Friends™ Letter Score: 25
Highest Scoring Words With Friends™ Play In The Letters glyoxalines
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Seven Letter Word Alert: (26 words)
agilely, agonies, agonise, allying, eloigns, galleon, galleys, gallons, genials, glyoxal, goalies, leasing, legions, lingoes, lysogen, nosegay, oxalise, oxygens, sealing, sealion, selling, slaying, xylenol, xylogen, yealing, yelling