The word adsorptive 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 adsorptive
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Seven Letter Word Alert: (72 words)
adipose, adopter, adverts, adviser, advisor, aridest, aspired, astride, astroid, avidest, avoider, departs, deports, deposit, despair, devisor, diapers, diopter, dioptre, disrate, diverts, dopiest, doviest, editors, opiated, opiates, ovaries, oversat, oversit, overtip, parotid, parties, pastier, peridot, periods, petards, pirated, pirates, pivoted, pivoter, posited, praised, private, provide, readopt, repivot, roadies, roasted, roisted, ropiest, savored, seaport, soapier, sortied, spirted, sported, starved, steroid, storied, striped, strived, tierods, tirades, topside, torpids, traipse, tripeds, tripods, vapider, vapored, veritas, voiders