The word transitionally 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™ Plays In The Letters transitionally
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Seven Letter Word Alert: (50 words)
alanyls, allstar, altoist, analyst, anoints, antlion, artisan, astylar, atonias, attains, install, instant, instill, intorts, introns, lanolin, lariats, liaison, nasally, nastily, nations, nattily, nitryls, noisily, nonarts, nonliar, nostril, rations, rattail, rattons, saintly, saltily, sirloin, starlit, station, stonily, straint, stylion, tailors, tartans, tastily, tinnily, tonally, totally, transit, trinity, trysail, tsarina, tyrants, yttrias