The word porterhouses 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 porterhouses
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Seven Letter Word Alert: (80 words)
espouse, estrous, heptose, heteros, hotspur, hurters, oestrus, ousters, outsees, peruses, pesters, poetess, poorest, poroses, porters, poseurs, posters, posture, pothers, pourers, pouters, presets, presort, presser, pursers, pushers, rehouse, reports, reposer, reposes, reposts, repours, repress, reroots, reroute, reshoes, reshoot, reshore, resorps, resorts, respots, resteps, resters, restore, retours, rhetors, rooster, rooters, rosters, routers, rushers, shooter, shorter, shouter, soother, soothes, sorters, sourest, soursop, spheres, spouter, sprouts, spurter, stereos, stooper, strophe, stupers, stupors, torpors, toruses, toupees, tourers, trooper, trouper, troupes, trouser, uproots, upshots, ureters, usherer