The word pervaporating 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: 26
Highest Scoring Words With Friends™ Play In The Letters pervaporating
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Seven Letter Word Alert: (89 words)
aerator, agatine, agitpop, airport, angrier, apogean, appoint, approve, apteria, arraign, arrange, atropia, aviator, avigate, earring, egotrip, grainer, granite, granter, gripper, groaner, ingrate, ironage, narrate, operant, oranger, orating, ornater, otarine, ovarian, overran, overtip, pageant, painter, paragon, parapet, parting, partner, patinae, pertain, pivoter, pointer, portage, porting, praetor, prating, printer, private, pronate, propane, propine, prorate, protean, protein, proving, rangier, rapping, rapport, ravager, reaping, rearing, reaving, regrant, repaint, repivot, repoint, reprint, retrain, roaring, tanager, tangier, tapping, tarring, tearing, terrain, topping, trainer, trapper, tripper, vagrant, vantage, vaporer, variant, variate, vearing, vertigo, vetoing, vinegar, vintage