The word carpetbagging 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: 29
Highest Scoring Words With Friends™ Play In The Letters carpetbagging
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Seven Letter Word Alert: (53 words)
abating, abreact, agatine, anaptic, apteria, baggage, baggier, bagging, bargain, barging, bearing, beating, begging, bracing, cabaret, cabinet, cantrap, cantrip, captain, carbine, carinae, carnage, carping, cartage, carting, certain, crating, garbage, garbing, gearing, gracing, granite, grating, ingrate, pageant, painter, parging, parting, patinae, pertain, picante, picrate, prating, ragging, reaping, repaint, ribcage, taggier, tagging, tanager, tangier, tearing, tracing