The word stockinged 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 stockinged
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Seven Letter Word Alert: (25 words)
codings, coedits, cognise, congest, costing, decking, destock, deticks, dockens, dockets, docking, dockise, doeskin, dogsick, gnostic, godsent, kindest, noticed, notices, section, snicked, socking, sticked, stocked, stoking