The word cybernation 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: 21
Highest Scoring Words With Friends™ Plays In The Letters cybernation
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Seven Letter Word Alert: (31 words)
aconite, aerobic, ancient, annoyer, baronet, bayonet, bonnier, botanic, cabinet, cannery, cannier, canonry, carbine, catenin, certain, contain, cyanine, cyanite, enactor, entrain, erotica, iceboat, icetray, inocyte, intoner, nectary, niobate, otarine, reannoy, tannery, tenancy