The word transpirating 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: 20
Highest Scoring Words With Friends™ Play In The Letters transpirating
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Seven Letter Word Alert: (55 words)
against, airgaps, airings, anginas, arising, arraign, artisan, aspirin, attains, gastrin, ingrain, instant, paining, pairing, panting, parings, parsing, parting, pasting, patinas, patting, pianist, piarist, pitting, prating, raining, raising, ranting, rasping, ratings, ratting, rattrap, rinsing, sangria, sitting, snaring, sniping, sparing, spartan, spiring, spiting, staring, stating, straint, tapings, tarpans, tarring, tartans, tartars, tartpan, tasting, tinting, transit, triptan, tsarina