The word pruriences 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: 18
Highest Scoring Words With Friends™ Play In The Letters pruriences
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Seven Letter Word Alert: (38 words)
censure, crispen, crisper, cruiser, cuprene, curries, ensurer, epicure, eupneic, insurer, piercer, pierces, pincers, precise, pricers, princes, pruners, purines, recipes, recures, recurse, reincur, repiner, repines, reprice, reprise, reprune, rerinse, rescuer, respice, respire, securer, sincere, sprucer, spurner, unriper, uprisen, upriser