The word tawdriness 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: 15
Highest Scoring Words With Friends™ Plays In The Letters tawdriness
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Seven Letter Word Alert: (55 words)
answers, antsier, aridest, astride, destain, detains, detrain, disrate, dissent, indraws, inserts, instars, instead, inwards, nastier, rawness, resands, restain, retains, retinas, rewinds, sainted, sanders, sandier, sardine, satires, seitans, sestina, sinters, snidest, stained, stainer, stander, steward, strains, strands, strawed, strides, tawnier, tinders, tinware, tirades, tradein, trained, twiners, waisted, waiters, wanders, wanters, wardens, wariest, wasters, winders, winters, witness