The word multiversity 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 multiversity
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Seven Letter Word Alert: (47 words)
elitism, elitist, limiter, litters, lustier, lutites, metrist, miserly, misrely, misrule, mistier, mistily, mitiest, mustier, mustily, mutters, myrtles, retilts, revisit, revuist, rivulet, rustily, rutiles, siltier, silvery, slimier, slitter, smilier, stilter, stimuli, stivier, stylier, surveil, sutlery, sylvite, testily, tilters, tritium, trivets, turtles, utilise, utility, utterly, uveitis, virtues, vittles, yttrium