The word reductivisms 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: 24
Highest Scoring Words With Friends™ Play In The Letters reductivisms
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Seven Letter Word Alert: (73 words)
ceriums, cervids, cesiums, credits, crudest, cruised, cruises, crusted, cursive, decrust, deistic, demists, diciest, dietics, dimeric, directs, dirties, dissect, ditsier, diverts, divests, dusters, dustier, estrums, metrics, miscite, miscued, miscues, miscuts, misedit, missuit, misters, mistier, misused, misuser, musters, mustier, rectums, reducts, revisit, revuist, rudites, rustics, seismic, smiters, stimied, stimies, stivers, stivier, strides, strived, strives, studier, studies, sudsier, suicide, suiters, surmise, tediums, tidiers, timider, tissued, tridems, trussed, tumeric, uveitis, verdict, verisms, verists, victims, virtues, viruses, visited