The word cuneiforms 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: 21
Highest Scoring Words With Friends™ Play In The Letters cuneiforms
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Seven Letter Word Alert: (27 words)
ceriums, coiners, comfier, confers, confirm, confuse, conifer, consume, crimson, cronies, fermion, focuser, incomer, incomes, informs, infuser, infusor, microns, mincers, mousier, muscone, numeric, recoins, refocus, uncrime, unforms, uniform