The word contiguousness 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: 23
Highest Scoring Words With Friends™ Plays In The Letters contiguousness
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Seven Letter Word Alert: (76 words)
cession, cognise, congest, connote, consent, consign, consist, cooties, cosiest, cosigns, cosines, costing, cousins, cussing, egoists, ensigns, ensuing, gnostic, gooiest, goosies, gussets, gussies, igneous, incests, ingests, insects, intones, ionogen, ionones, isogons, nesting, noncute, nonsuit, noosing, nosiest, notices, notions, oecists, oncogen, oncosis, oogenus, osseins, osseous, osteons, ousting, outgoes, outguns, outings, outsung, section, sensing, session, signets, sinuous, sinuses, sonnets, soonest, sooting, stogies, stoning, stooges, suction, sunnies, sunsets, tensing, tension, tenuous, tissues, tocsins, tongues, toonies, tossing, tunings, unction, unguent, unstoic