The word heterografts 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: 19
Highest Scoring Words With Friends™ Plays In The Letters heterografts
:
Seven Letter Word Alert: (86 words)
earshot, farther, fathers, feather, ferrets, fetters, forager, forages, forgers, forgets, fraters, fresher, fretter, froster, frother, garotte, garrets, garters, gathers, gearset, geostat, gestate, ghettos, goatees, grafter, graters, greaser, greater, hafters, hatters, hearers, heaters, hefters, heteros, hoarser, hotfeet, rafters, ratters, rearose, reforge, refresh, refrets, regears, regraft, regrate, regrets, rehears, reheats, reroast, reshare, reshore, restage, restart, restate, restore, retaste, retears, retoast, retorts, retreat, rhetors, roaster, roseate, rosette, rotates, rotters, seagoer, serrate, shatter, shearer, shorter, starter, storage, targets, tearers, tethers, theater, theatre, thereat, thereof, thereto, threats, throats, toaster, trasher, treater