The word institutionally 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 institutionally
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Seven Letter Word Alert: (44 words)
altoist, annuity, anoints, antlion, initial, install, instant, instill, insulin, intuits, inulins, lanolin, layouts, liaison, lousily, lustily, nastily, nations, nattily, noisily, nonsuit, nullity, outlast, outlays, outsail, outstay, saintly, saltily, station, stonily, stoutly, stylion, sunlily, sunnily, tastily, tinnily, titlist, tonally, totally, tuition, unsilty, unstain, untasty, utility