The word sentimentality 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: 22
Highest Scoring Words With Friends™ Play In The Letters sentimentality
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Seven Letter Word Alert: (87 words)
ailment, aliment, amenity, amnesty, amylene, aniline, animist, anytime, asinine, attelet, elastin, elitism, elitist, eminent, enamels, enamine, enstyle, entails, entitle, eyeslit, imitate, inanely, inlines, inmates, instant, instate, instyle, intense, intents, itemise, itemset, laments, lateens, latents, latites, laytime, leanest, lenient, lenites, lineate, lineman, linemen, linnets, mantels, mantles, matinee, meanest, meanies, meatily, melanin, mettles, miniate, mistily, mitiest, mittens, myeline, myelins, nailset, nastily, nattily, neatens, neatest, netmail, nettles, saintly, salient, satiety, seminal, smitten, stately, stylate, syenite, talents, tannest, tastily, tattles, teatime, telnets, tenants, tensely, tensile, testate, testily, tiniest, tinnily, titlist, yeelins