The word gerrymandered 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™ Play In The Letters gerrymandered
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Seven Letter Word Alert: (45 words)
amended, amender, angered, deadeye, deadmen, deanery, degrade, demerge, derange, draymen, dreader, dreamed, dreamer, dredger, eagerer, emended, emender, emerged, emerger, endgame, enraged, gardeny, germane, gnarred, grander, greened, greener, grenade, meadery, meagrer, meander, reamend, rearmed, redream, regrade, regreen, remarry, remerge, renamed, reneged, reneger, yardmen, yearend, yearned, yearner