The word distilleries 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 distilleries
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Seven Letter Word Alert: (46 words)
deities, delists, deserts, desilts, desires, dessert, diesels, diester, dieters, dieties, dirties, distill, distils, ditsier, eldress, ileitis, illites, iridise, lidless, reedits, relists, resells, resides, retells, retiled, retiles, retills, rillets, sellers, sidelit, sidlers, sillier, siltier, sliders, sterile, stilled, stiller, strides, tellers, tellies, tidiers, tieless, tillers, trellis, tressed, trilled