The word sociolinguists 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™ Plays In The Letters sociolinguists
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Seven Letter Word Alert: (56 words)
closing, coiling, colitis, colossi, consist, consuls, consult, cooling, cosigns, costing, cousins, cussing, gliosis, gluonic, gnostic, iconist, insists, insults, isogons, issuing, listing, locusts, logouts, loosing, looting, losings, lotions, lousing, lusting, oculist, oligist, oncosis, oolitic, ousting, outings, silicon, silting, slicing, soiling, solicit, soloing, soloist, sooting, suction, suiting, tilings, tocsins, toiling, tonsils, tooling, tossing, unclogs, unclots, uncoils, unlists, unstoic