The word disequilibriums 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: 34
Highest Scoring Words With Friends™ Play In The Letters disequilibriums
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Seven Letter Word Alert: (50 words)
birdies, bisques, blissed, bridles, bruised, bruises, brusque, budless, builder, delimbs, ebriids, erbiums, imburse, iridise, iridium, limbers, liqueur, liquids, lumbers, midribs, misrule, missile, misused, misuser, mueslis, rebuild, ribless, rimless, risible, rumbled, rumbles, rumless, sidlers, silique, similes, sliders, slimier, slumber, smilers, smilier, squired, squires, squirms, subduer, subdues, sublime, subrule, subside, sudsier, surmise