The word sceptically 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: 24
Highest Scoring Words With Friends™ Plays In The Letters sceptically
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Seven Letter Word Alert: (34 words)
accepts, accites, acetyls, aplites, ascetic, aseptic, calcite, calicle, calyces, caplets, castile, cecally, cellist, clastic, cyclase, cyclise, cyclist, cypsela, elastic, icecaps, laciest, paisley, pallets, pilates, plastic, playlet, plicate, saltily, scalpel, sceptic, special, spicate, tallies, typical