The word factorisations 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: 21
Highest Scoring Words With Friends™ Plays In The Letters factorisations
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Seven Letter Word Alert: (78 words)
actants, actions, arctans, artisan, artists, atonias, atonics, attains, caftans, caisson, cantors, cartons, cartoon, casinos, cassoon, castors, cations, citator, citrons, confits, consist, consort, contort, coronas, costars, cottons, cratons, faction, factors, fanatic, fascias, fascist, fiction, fission, forints, frantic, iconist, incisor, infarct, insofar, instars, intorts, nicosia, notator, notists, octants, oncosis, oration, racists, racoons, raisins, rations, rattons, rattoon, ricotta, risotto, safaris, satanic, satiric, scorias, sonatas, statics, statins, station, strains, straint, straits, stratas, tantric, taoists, tartans, titanic, tocsins, torsion, transit, tricots, tsarina, tsarist