The word cybercultures 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: 27
Highest Scoring Words With Friends™ Play In The Letters cybercultures
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Seven Letter Word Alert: (40 words)
becrust, becurls, blurter, bluster, burlers, bustler, butlers, cluster, crueler, cruelty, culture, curlers, curtsey, cutlery, cyclers, erectly, eustely, eustyle, lecture, reburst, recluse, recures, recurls, recurse, recycle, rescrub, rescuer, restyle, rustler, secrecy, securer, subcult, subrule, subtler, subtree, sutlery, tersely, trebles, tubules, ureters