The word dinnerwares 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: 17
Highest Scoring Words With Friends™ Play In The Letters dinnerwares
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Seven Letter Word Alert: (60 words)
adenine, aniseed, darners, dearies, deniers, dernier, derries, desirer, dewires, dinners, drainer, drawers, earners, endears, ensnare, errands, indrawn, indraws, innards, insaner, inwards, nerdier, newsier, raiders, randier, readers, readier, readies, rearise, redrawn, redraws, redries, renders, rereads, rerinse, resawed, resider, reswear, rewards, rewinds, rewired, rewires, sandier, sardine, sinewed, swearer, wanders, wardens, warders, warners, wearers, wearied, wearier, wearies, weiners, weirder, widener, wieners, winders, winners