The word unclearest 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: 16
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (90 words)
antlers, auletes, austere, canters, cantles, careens, cartels, cauters, censure, centaur, centers, central, centres, cerates, cereals, clarets, cleaner, cleanse, cluster, creates, crustal, cuneate, curates, earnest, eastern, elaters, eluants, eluates, eluents, encrust, enteral, estrual, eternal, euaster, euclase, lancers, lancets, lateens, leaners, leanest, lectern, lecture, lunates, natures, nearest, nectars, neuters, neutral, nuclear, nutcase, realest, recanes, recants, reclean, recluse, recusal, reenact, relaces, relates, relents, rentals, rescale, reslant, retunes, saltern, saluter, saunter, scalene, scanter, scarlet, scenter, sclerae, secular, stealer, sterane, sternal, sulcate, tenures, trances, treacle, truncal, unalert, unalter, uncarts, unclear, uncrate, unerect, unlaces, unreels, unreset