The word equilibrating 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: 30
Highest Scoring Words With Friends™ Play In The Letters equilibrating
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Seven Letter Word Alert: (71 words)
abluent, airline, aligner, antique, bailing, baiting, banquet, bearing, beating, belting, blaring, blueing, blunger, blunter, brangle, briquet, bulgier, bungler, burling, elating, eluting, gaunter, gelatin, genital, granite, granule, gruntle, igniter, inertia, ingrate, initial, inquiet, inquire, intagli, lairing, latrine, learing, lignite, lintier, nebular, neutral, quilter, quiring, quiting, railing, ratline, realign, rebuilt, reliant, retinal, ringlet, tabling, tabuing, tagline, tailgun, tailing, tangier, tearing, tequila, tiering, tingler, trenail, triable, tribune, tunable, turbine, unagile, unalert, unalter, uralite, urinate