The word cyanuramide 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: 22
Highest Scoring Words With Friends™ Play In The Letters cyanuramide
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Seven Letter Word Alert: (30 words)
academy, anaemic, animacy, arcanum, arenium, cairned, carinae, carmine, cranium, cyanide, daycare, decuman, drayman, draymen, dynamic, inducer, manured, midyear, numeric, rainday, unaimed, unaired, unarmed, uncared, uncrime, unready, uraemia, uraemic, yardman, yardmen