The word symphonised 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™ Plays In The Letters symphonised
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Seven Letter Word Alert: (28 words)
dimness, dispose, eomyids, eonymph, eponyms, hemipod, hipness, hypnoid, impends, imposed, imposes, iphones, isonyms, misdoes, misdone, mispens, myosins, nymphid, nymphos, phoneys, phonies, shipmen, shopmen, siphons, spinode, spinose, syndome, syphons