The word saddleries 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: 13
Highest Scoring Words With Friends™ Plays In The Letters saddleries
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Seven Letter Word Alert: (42 words)
address, aediles, aidless, airless, deaired, dealers, dearies, deleads, derails, derides, desired, desires, dialers, diesels, disease, dressed, earless, eldress, ladders, laddies, leaders, leasers, readied, readies, realise, redeals, redials, resails, resales, reseals, resided, resides, riddles, saddler, saddles, sailers, sealers, seaside, serials, sidlers, sledder, sliders