The word unknowledgeable 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: 33
Highest Scoring Words With Friends™ Play In The Letters unknowledgeable
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Seven Letter Word Alert: (58 words)
alleged, allowed, angulon, baulked, bawneen, begnawn, blanked, blowgun, blunged, bondage, bounden, boweled, bugweed, bulkage, bulldog, bungled, debowel, dungeon, elbowed, enabled, endogen, ennoble, galleon, gleaned, gleeked, globule, kneeled, knelled, knolled, labeled, lakebed, leagued, legband, legbone, lounged, lowland, nanogel, nebulae, nongeek, nonlake, nonlead, ownable, ukelele, unallow, unbaked, unbaled, unblown, unboned, unbowed, unladen, unlobed, unowned, unwaged, unwedge, wakened, wangled, waulked, weekend