The word undistributed 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: 21
Highest Scoring Words With Friends™ Play In The Letters undistributed
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Seven Letter Word Alert: (82 words)
bedirts, bestrid, bidders, biddies, binders, birdies, bitsier, bitters, bittier, bruised, budders, buddies, burdens, bustier, butters, butties, dentist, dietist, dirtied, dirties, distend, disturb, ditsier, ditties, dunites, dustbin, dustier, ebriids, entrust, inbreds, indited, inditer, indites, insider, insured, intrude, intrust, intuits, nitride, nitrite, nittier, nutsier, nutters, nuttier, rebinds, retints, ruddies, rudites, stinted, student, studied, studier, stunted, stunter, subdued, subduer, subedit, suberin, subtend, subunit, sunbird, sutured, tidbits, tidiers, tidiest, tinders, tiniest, tinters, tintier, tribune, tribute, trident, trusted, turbine, unburst, undrest, undried, uniters, unities, untired, untried, uridine