The word barrelhouses 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 barrelhouses
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Seven Letter Word Alert: (75 words)
abusers, arbours, areoles, arouser, arouses, aureole, barrels, bashers, bearers, blesser, blouses, blusher, blushes, boluses, braless, brasher, brusher, brushes, burlers, bursars, bushels, earless, earlobe, erasers, erasure, harbors, harbour, haulers, healers, hearers, hearses, herbals, herbose, herbous, hoarser, hueless, hurlers, laborer, labours, lashers, lassoer, leasers, leashes, oarless, rashers, realers, rearose, rebales, rebases, rebless, rebores, rebrush, rehears, rehouse, resales, reseals, reshare, reshoes, reshore, resoles, resorbs, rubeola, rushers, sealers, sharers, shearer, slasher, slusher, soarers, soberer, sorrels, surreal, ureases, useable, usherer