The word transactions 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: 17
Highest Scoring Words With Friends™ Plays In The Letters transactions
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Seven Letter Word Alert: (54 words)
actants, actions, anoints, arctans, artisan, artists, atonias, atonics, attains, caisson, cantons, cantors, cartons, casinos, castors, cations, citator, citrons, consist, contain, costars, cratons, incants, instant, instars, intorts, introns, nations, nonarts, notists, octants, racists, rations, rattons, ricotta, satanic, scorias, sonatas, stannic, statics, statins, station, strains, straint, straits, stratas, tantric, taoists, tartans, tocsins, transit, tricots, tsarina, tsarist