The word stridulations 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 stridulations
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Seven Letter Word Alert: (83 words)
altoist, artists, astound, astroid, auditor, aulists, autists, daltons, diarist, dilator, distant, distils, distort, diurnal, donairs, dorsals, dualist, durians, idolist, inroads, instars, insular, insults, intorts, intrust, intuits, inuloid, islands, lauroid, liaison, lutists, nitrous, nodular, nostril, notists, nudists, ordains, ordinal, outlast, outrant, outsail, outsits, rainout, raisins, rations, rattons, rituals, rotunda, rotunds, sailors, sinoids, sirloin, sortals, stanols, starlit, statins, station, strains, straint, straits, strands, stratus, studios, suitors, sultans, sundial, sunstar, sustain, tailors, talonid, taoists, titular, tonsils, tourist, transit, truants, tsarist, tuition, tundras, unlists, unloads, unsorts, urinals