The word sclerometers 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: 19
Highest Scoring Words With Friends™ Plays In The Letters sclerometers
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Seven Letter Word Alert: (64 words)
cleomes, closers, closest, closets, colters, corsets, creoles, cresols, cresset, crosser, elector, emerses, emoters, erecter, erector, escorts, esteems, meeters, melters, mercers, meteors, molests, morsels, omelets, osselet, ostlers, reclose, recross, rectors, reelect, reelers, reerect, remeets, remelts, remorse, remoter, remotes, rescore, resects, resmelt, resoles, resorts, restems, resters, restore, retrees, roselet, rosters, scorers, secrete, secrets, sectors, selects, smelter, sorrels, sorters, steerer, stereos, sterols, teemers, telecom, telomer, toeless, tremors