The word reharmonizing 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: 31
Highest Scoring Words With Friends™ Play In The Letters reharmonizing
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Seven Letter Word Alert: (57 words)
agonize, angrier, armoire, earning, earring, grainer, grimier, grinner, groaner, hairier, hangmen, harming, hearing, herring, hoarier, hornier, imagine, ingrain, ionizer, ironage, ironing, ironman, mangier, mariner, marring, meaning, menorah, moaning, moraine, morning, nearing, nonamer, nongame, oranger, origami, rainier, raining, rangier, reaming, rearing, reining, rhizine, rhizoma, rhizome, ringman, ringmen, roaming, roaning, roaring, romaine, zeroing, zingani, zingano, zingare, zingari, zingaro, zingier