The word advantageousness cannot be made in Words With Friends™. It is 16 letters long, too long to fit on a WordsWithFriends board (15 letters max).
Highest Scoring Words With Friends™ Plays In The Letters advantageousness
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Seven Letter Word Alert: (94 words)
advents, agendas, andante, assents, assuage, astound, avenged, avenges, avenues, degases, degauss, degusts, dengues, denotes, densest, detunes, devests, devotes, dogvane, donates, dosages, dotages, dungeon, endnote, endogen, gaseous, gateaus, gaunted, genuses, goannas, goateed, goatees, godsent, guessed, guesses, guested, gussets, neatens, negated, negates, neonate, nondate, noseans, nutseed, oneness, onstage, outages, outgave, outsang, outsees, sadness, sateens, sausage, sauteed, savaged, savages, savanna, savants, seadogs, seasons, sedates, senates, sensate, snouted, snudges, sonatas, sonnets, standee, stenose, stunned, suavest, sudates, sundaes, sundogs, sunsets, suntans, tangoed, tendons, tongued, tongues, tonnage, undents, uneaten, unnoted, unsated, unsaved, unseats, unstage, unvaned, vaguest, vantage, vaunted, vedanta, voteens