The word fictionalise 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™ Play In The Letters fictionalise
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Seven Letter Word Alert: (73 words)
aconite, actions, alecost, aloetic, atonics, cantles, castile, cations, celosia, ciliate, clients, coalise, coalite, colitis, confits, elastic, elastin, elation, elicits, elision, entails, eosinic, faction, falcons, fancies, fiances, fiction, filiate, finales, finials, folates, foliate, iconist, ileitis, incites, infects, inflate, inflect, inflict, initial, inosite, iolites, isolate, italics, laciest, lactone, lactose, laicise, lancets, leantos, lection, liaison, lionets, lionise, locates, nailset, nicosia, notices, octanes, oilcans, oiliest, olefins, salient, sealion, section, selfact, silicon, solicit, stencil, stoical, tailfin, tinfoil, toenail