The word functionalism 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: 26
Highest Scoring Words With Friends™ Play In The Letters functionalism
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Seven Letter Word Alert: (85 words)
actions, amnions, amounts, animist, anionic, anoints, antlion, atomics, atonics, auction, cannoli, cantons, cations, caution, colitis, columns, comfits, confits, consult, contain, cultism, faction, falcons, fanouts, faunist, fiction, finials, fistula, flaunts, flotsam, foliums, fustian, iconism, iconist, incants, infants, inflict, insulin, inulins, italics, liaison, lionism, lunatic, mansion, masonic, minions, miscoin, monilia, moulins, mucosal, musical, nations, niacins, nicosia, nominal, nonfact, nonfast, nonflat, nonmail, nonsuit, oculist, oilcans, outmans, outsail, sanctum, silicon, solanum, solicit, somatic, somitic, stannic, stannum, stimuli, stoical, suction, tailfin, tinfoil, tinfuls, toucans, tsunami, unclots, uncoils, unction, unstain, unstoic