The word forestallings 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
Seven Letter Word Alert: (304 words)
agonies, agonise, agonist, aiglets, aigrets, aileron, airless, aligner, allegro, anglers, anglist, antlers, antsier, argents, artless, atoners, egoists, elastin, elating, elation, elogist, eloigns, engraft, engross, enlists, enrolls, entails, erasing, estriol, fainter, fairest, fallers, falling, falsest, falters, fastens, fasting, fatness, fearing, felling, felting, fiestas, fillers, fillets, filters, finagle, finales, fingers, finless, fireant, fitness, flanges, flaring, floater, florals, florets, florins, florist, foaling, fogless, foister, folates, foliage, foliate, follies, forages, foreign, forests, forgets, forints, forties, fosters, fragile, frigate, fringes, froglet, frontal, gainers, gaiters, galleon, gallons, gaolers, garnets, gassier, gastrin, gelatin, gelatos, genials, genital, girnels, glioses, glisten, glister, gloater, glories, glosser, goalies, goiters, goitres, golfers, goriest, gorilla, granite, grilles, gristle, ignores, illness, infests, inflate, ingests, ingraft, ingrate, ingress, inserts, insofar, insoles, install, instars, ironage, isolate, largess, largest, lassoer, lasting, latrine, leafing, leantos, learing, leasing, legions, lentils, lesions, lifters, ligases, ligates, lingers, lingoes, lintels, lioness, lionets, listens, literal, loafers, loafing, loaners, loftier, lofting, loiters, longest, losings, lossier, nailers, nailset, nastier, norites, nosiest, nostril, oarless, olefins, onstage, oranges, orating, orients, orleans, ostlers, otarine, rafting, rallies, ratings, rations, ratline, realign, realist, reallot, reasons, refills, reflags, refloat, reflogs, regains, regions, regloss, reliant, relists, reloans, renails, rentals, resails, resifts, resigns, reslant, resoils, restain, resting, retails, retains, retills, retinal, retinas, retinol, rillets, ringlet, rolling, rosiest, sagiest, sailers, sailors, salient, salines, saltern, saltier, salting, satires, seafogs, sealing, sealion, searing, seating, seitans, selling, senator, seniors, serials, sestina, sifters, signals, signers, signets, signora, signors, silanes, silents, singers, singles, singlet, sinters, slaters, slatier, slating, slinger, slogans, snifter, soaring, softens, softies, sortals, sorties, sorting, sringas, stagers, stagier, stainer, stanols, staring, stellar, sternal, sterols, stifler, stifles, stiller, stinger, stogies, stollen, stoners, stonier, storage, stories, storing, strains, strange, strifes, strings, strolls, tagline, tailors, tallier, tallies, tangelo, tangier, tangles, tearing, teasing, telling, tensors, tigress, tillage, tillers, tingler, tingles, tinsels, toenail, toilers, tollage, tollers, tolling, tonsils, tossing, treason, trefoil, trellis, trenail, triages, trifles, triones