The word lockmasters 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: 22
Highest Scoring Words With Friends™ Play In The Letters lockmasters
:
Seven Letter Word Alert: (98 words)
actress, alecost, arkoses, armless, armlets, armlock, artless, calmest, carless, cartels, caskets, casters, castles, castors, clamors, clarets, closers, closest, closets, coakers, coalers, coaster, colters, corsets, costars, cresols, earlock, escolar, escorts, lactose, lassoer, locates, lockers, lockets, lockset, mackles, maestro, maltose, markets, mascots, maskers, masters, mockers, molests, morales, morsels, mortals, oarless, octamer, oracles, ostlers, rackets, recasts, reclass, recloak, recoals, recoats, relocks, resoaks, restack, restock, retacks, retasks, rockets, sackers, scalers, scarlet, scleras, screams, scrotal, seamost, sectors, skaters, slacker, slaters, smacker, smokers, soakers, sockets, solacer, solaces, sortals, stacker, stalker, sterols, stocker, stokers, streaks, streams, stroams, strokes, stromal, tackers, tackler, tackles, talkers, taskers, tramels