The word gastroenteritis 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: 18
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (317 words)
aeriest, agonies, agonise, agonist, aigrets, airiest, airings, angrier, antsier, arenite, argents, arising, arrests, artiest, artists, artsier, atoners, attests, attirer, attires, attrist, attrite, earners, earnest, earring, easiest, eastern, egoists, egotist, engross, enrages, ensears, entreat, entries, erasers, erasing, erotise, errants, estates, estrone, etaerio, gainers, gaiters, garners, garnets, garotte, garrets, garters, gassier, gastrin, gearset, genesis, geostat, gestate, girners, goatees, goiters, goitres, goriest, grainer, granite, grantee, granter, graters, greaser, greases, greaten, greater, greisen, grister, gritter, groaner, grosser, igniter, ignites, ignitor, ignores, inerter, inertia, ingests, ingrate, ingress, inosite, inserts, instars, instate, integer, intorts, ioniser, ionises, iratest, irisate, ironage, ironers, ironies, iterate, nastier, natters, nattier, nearest, neatest, negates, negroes, nesters, netters, nitrate, nitrite, nittier, noisier, norites, nosiest, notists, onstage, oranger, oranges, orating, orients, origins, ornater, otarine, rainier, raisers, raising, raisins, rangers, rangier, ranters, rasters, ratings, rations, ratters, rattier, ratting, rattons, reagent, rearing, rearise, rearose, reasons, regains, regears, regents, regions, regrant, regrate, regress, regrets, reigner, reinter, renests, renters, rerents, rerinse, reroast, reseats, resents, resigns, resorts, restage, restain, restart, restate, resters, resting, restirs, restore, retains, retaste, retears, retests, retinas, retints, retires, retoast, retorts, retrain, retreat, retries, ringers, rinsers, rioters, rioting, risings, roaring, roaster, roister, roseate, rosette, rosiest, rosters, rotates, rotters, rotting, sagiest, sateens, satires, seagoer, searing, seaters, seating, seitans, seitens, senates, senator, seniors, sensate, seriate, serrate, sestina, sestine, setters, setting, sierras, signees, signers, signets, signora, signors, singers, sinters, sitters, sitting, snarers, snorers, snorter, snotter, soarers, soaring, soirees, sorters, sorties, sorting, sringas, stagers, stagier, stainer, starers, staring, starter, staters, stating, statins, station, statist, stenose, sterane, stereos, sterner, stetson, stinger, stogies, stoners, stonier, storage, stories, storing, strains, straint, straits, strange, streets, striate, strings, tangier, taoists, targets, tarries, tarring, tartest, tasters, tastier, tasting, tatters, tattier, tearers, tearier, tearing, teasers, teasing, tensest, tensors, tentage, tenters, tentier, ternate, terrain, terrane, tersest, testate, testers, testier, testing, tiering, tigress, tiniest, tinters, tintier, titrate, titters, toaster, tonette, torrent, tossing, totters, trainee, trainer, traitor, transit, treason, treater, treeing, triaene, triages, trienes, triones, trotter, tsarist