The word demonstrating 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™ Play In The Letters
Seven Letter Word Alert: (351 words)
admires, adonise, adoring, agonies, agonise, agonism, agonist, aigrets, amidone, amnions, amongst, andiron, aneroid, animose, anodise, anoints, anomers, antigen, antsier, argents, aridest, artiest, artsmen, astride, astroid, atomise, atoners, atoning, attends, attired, attires, daemons, damners, damning, dangers, darning, darting, demoing, denting, dentins, dentist, deraign, destain, detains, detorts, detrain, diatoms, digrams, dinners, disrate, distant, distort, dittoes, dogears, domains, donairs, donates, dormant, dotages, dotiest, dotters, dottier, dotting, dragnet, dragons, droning, earning, editors, egotism, egotist, emoting, enamors, endings, endmost, enigmas, entrain, entrant, erasing, eroding, gainers, gaiters, gamiest, ganders, gardens, garment, garnets, garotte, gastrin, gentian, geostat, gnomist, godetia, godsent, goiters, goitres, goriest, grained, granite, granted, grinned, gritted, groaned, groined, ignored, ignores, imagers, imagoes, indents, indorse, ingrate, inmates, innards, inroads, insaner, instant, instate, instead, intends, intents, interns, intoned, intoner, intones, intorts, introns, iratest, ironage, ironman, isogram, maestro, magneto, magnets, magnons, maidens, mangers, mangier, mangoes, manners, mansion, margins, marines, martens, martins, mastoid, matings, matrons, matters, matting, meaning, medians, megaton, mendigo, mending, mention, mentors, meronts, metrist, midgets, migrant, migrate, minaret, minders, mindset, mintage, minters, mirages, misdate, misdoer, misdone, misread, mitogen, mittens, moaners, moaning, moating, moderns, moisten, moister, mongers, monster, montage, montane, moraine, mordant, mordent, morning, mortise, nastier, nations, natters, nattier, nearing, negroid, nesting, netting, nimrods, nitrate, nonamer, nonarts, nondate, nondiet, nongame, nonmate, nonmeat, norites, notated, oarsmen, omitted, omitter, onstage, oranges, orating, ordains, orients, otarine, radomes, ragtime, raiment, randoms, ranting, ratings, rations, ratting, rattons, reading, readmit, reaming, redoing, regains, regions, regnant, remains, remands, reminds, remints, remnant, rending, renting, restain, resting, retains, retinas, retints, retoast, ringman, ringmen, roadies, roadmen, roaming, roaning, roasted, rodents, roisted, romaine, rosined, rotated, rotates, rotting, sainted, sandier, sanding, sandmen, sardine, seaming, searing, seating, seminar, senator, sending, setting, sidearm, sideman, sigmate, signora, sirname, smarted, smarten, smartie, smatter, smidgen, smitten, snaring, snoring, snorted, snotted, snotter, soaring, sortied, sorting, stagier, stained, stainer, stander, stardom, staring, started, stating, station, steroid, stinger, stinted, stomate, stonier, stoning, storage, storied, storing, stormed, straint, strange, striate, tainted, tandems, tangent, tangier, tangoed, tanners, tannest, targets, tastier, tasting, teaming, tearing, teasing, tenants, tending, tendons, tensing, tension, tenting, testing, tierods, tinders, tinners, tinters, tirades, toasted, toaster, tonearm, tonnage, torment, tradein, trading, trained, transit, treason, triages, tridems, trident, triones, tritoma