The word consanguineous 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: 24
Highest Scoring Words With Friends™ Plays In The Letters consanguineous
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Seven Letter Word Alert: (51 words)
agnosic, agonies, agonise, caisson, canines, canning, cannons, caseins, casings, casinos, cassoon, causing, ceasing, cession, cognise, coinage, conning, consign, cosigns, cosines, cousins, cunning, cussing, ensigns, ensuing, gaseous, goosies, guanine, guineas, igneous, ionogen, ionones, isogons, nannies, nonagon, nonanes, nonsane, nooning, noosing, noseans, nuances, oncogen, oncosis, oogenus, saucing, sensing, siennas, sinuous, sunnies, sunning, uncages