The word overclouding 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: 25
Highest Scoring Words With Friends™ Play In The Letters overclouding
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Seven Letter Word Alert: (54 words)
cervoid, clinger, codling, codrive, codrove, cologne, condole, cooling, cording, coreign, corndog, cringed, croodle, crooned, crunode, curling, curving, decolor, delving, dilogun, divorce, divulge, dooring, dueling, dulcing, educing, eluding, eroding, gloried, gluonic, godlier, groined, grooved, guerdon, guilder, ignored, include, incurve, inducer, indulge, loonier, lounged, lounger, louvred, negroid, nuclide, redoing, regulon, roundel, uncored, uncover, undergo, unloved, unoiled