The word spleenworts 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™ Play In The Letters spleenworts
:
Seven Letter Word Alert: (67 words)
elopers, estrone, leptons, lowness, nesters, nestles, netless, onestep, openers, openest, osselet, ostlers, pelters, pentose, persons, pesters, pestles, petless, petrels, petrols, pewters, plowers, plowter, poetess, postern, posters, poteens, prenote, present, presets, pronest, prowess, relents, renests, reopens, repents, replots, replows, reposes, reposts, resents, resoles, respelt, respots, resteps, reswept, roselet, serpent, slopers, slowest, spewers, spleens, stenose, stepson, stereos, sterols, stoners, swelter, tensors, toeless, topless, trowels, western, wetness, worsens, wrenlet, wrestle